can someone please answer this question

Answers

Answer 1

Answer:

D) Can simple organic molecules form spontaneously in an oxygen-free atmosphere?

Explanation:

Related Questions

!!FOR PLANT SYSTEMS!!
Given the loss of farming jobs projected in the near future, distinguish at least two factors in a decision one might make to enter the field.

Answers

i cant process this lol no matter how much tiems read it

Answer:

this is the suggested answer

Explanation:

A correct answer will discuss two factors from among the following: one factor is despite the projected loss in farming jobs, these jobs are still essential and may still provide for a lucrative and successful career given that the median income level that is significantly higher than the national average. Another factor is the wide variety of careers in this general field, so the information on declining career outlook could be misleading, depending what specific career one is looking into. Another factor is the several training programs available to benefit those looking to enter this field, which can contribute to success.

which of the following is a function of the spleen?

Answers

Answer:

Clearance of microorganisms and particulate antigens from the blood stream.

Synthesis of immunoglobulin G (IgG), properdin (an essential component of the alternate pathway of complement activation), and tuftsin (an immunostimulatory tetrapeptide)

Removal of abnormal red blood cells (RBCs)

Explanation:

How do community contribute in maintaning the health of ecosystem??

Answers

Answer:

THE MATEMÁTICAS 163 por eso

Anna went to her physician complaining of fatigue and swelling in her legs. She explained the doctor that she exercises often and does not drink water. She also revealed that she is smoker. Doctor sad that she was dehydrated, had edema and probably hypoproteinemia (low plasma protein concentration). He ordered some blood tests and ECG. ECG revealed that she had atrial fibrillation, which he said might explain her fatigue. Doctor advised her perhaps exercise more moderately, drink water and that she should definitely stop smoking.

- How might a blood test help to diagnose the cause of Jessica’s fatigue and edema?
- How does her hypoproteinemia relate to her edema?
- How would dehydration influence blood volume, stroke volume, and cardiac output?
- What is atrial fibrillation, and how does it appear on an ECG?
- How might atrial fibrillation explain Anna’s fatigue?

Answers

Tooooo much of a question

Too much of a question

13. Which of the following shows the correct relationship between warm
ocean water and its movement? *

Answers

Answer: B

Explanation:

The following that shows the correct relationship between warm ocean water and its movement is:

A. The density increases and the movement rises

Warm ocean water is the condition in which the temperature of the ocean is warm. This in turn affects climatic conditions as it also has an effect on the marine ecosystem.

As a result of the temperature, warm water usually stays at the horizon of the ocean and when there is a joining of the cold water and the warm water, then there is a change in density as it increases while the movement of the water rises.

This phenomena occurs as a result of convection and the movement changes because warm water is less dense. The Indian Ocean is the warmest ocean in the world.

Therefore, the correct answer is option A

Answers

Answer:

b radiation

Explanation:

can i get brain lists

The answer is B! Radiation

The upward force on an airplane's wing is thrust.

Please select the best answer from the choices provided

T
F

Answers

An airplane in flight is acted on by four forces: lift, the upward acting force; gravity, the downward acting force; thrust, the forward acting force; and drag, the backward acting force (also called wind resistance). Lift opposes gravity and thrust opposes drag .

Answer:

False

Explanation:

I am pretty sure that is the answer

Gametes are diploid
True
False

HELPP

Answers

Answer:

false

Explanation:

gametes are haploid while they fuse together to form a zygote that would be diploid

How are photosynthesis and cellular respiration similar?

A. They both produce ATP and power the cell's biochemical reactions

B. They have the same overall reaction but in reverse

C. They both store energy into glucose molecules

D. They both need radiant energy in order for the process to occur

Answers

I thinks is answer A

Which word best describes the feeding relationships in a food web?

a
Interconnected
b
Independent
c
Unrelated
d
Insignificant

Answers

Answer: a

Interconnected

Explanation:

The word that best describes the feeding relationships in a food web is "interconnected."

What is food web?

A food web is a complex network of interrelated food chains that shows the flow of energy and nutrients through an ecosystem. The organisms in a food web are connected to each other through predator-prey relationships, where some organisms are consumers and others are producers.

Each organism in the food web depends on other organisms for food, and their survival is interconnected with the survival of other organisms in the ecosystem. Therefore, the feeding relationships in a food web are highly interconnected.

The feeding relationships in a food web are highly interconnected, with each organism depending on others for survival. A food web is a dynamic system, and changes in one part of the web can have far-reaching effects on the rest of the ecosystem.

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Will this movement re hire an input of energy?

Answers

Their movement will require the input of energy. That is option B.

What is an active transport?

An active transport is defined as the movement of molecules across the cell membrane from different compartments in the living organism.

The active transport makes use of energy because of the need to move molecules from a semi permeable membrane that is against a concentration gradient.

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Which bone is identified in the picture below?

O A. Radius
OB. Tibia
O C. Ulna
O D. Scapula

Answers

Answer: b. Tibia

Explanation:

Answer:

Tibia

...............................

What the answer for this

Answers

B is right

Hope it helps

Brainliest please

Answer:

A. CPR is an important skill that few Americans have.

Explanation:

The paragraph is talking about how not a lot of Americans know how to perform CPR.

After a signal binds to a signal receptor, the next step is transduction. Why is the signal transduction step necessary ls7c week 1

Answers

Answer:

Signal transduction is what allows cells to respond to the influences of the environment around them, providing cells with proper growth and normal cell function.

Explanation:

Living organisms have developed a wide variety of complex processes to transmit signals from the outside to the inside to elicit an adequate cellular response. Defects in these molecular pathways can lead to very different disorders, such as diabetes, cancer, and psychotic illnesses. Signal transduction is the process by which a cell converts a certain signal or external stimulus into another signal or specific response, that is, it is the mechanism by which a cell responds to the stimuli it receives from the environment through diffusion. of those signals to its internal compartments. First, a signaling molecule (also called a ligand) needs to activate a specific receptor on the cell's membrane or cytoplasm. Ligand-receptor binding is very specific; they are recognized as a key and a lock. Second messengers are molecules that allow the received signal to be amplified at the intracellular level. The binding of a ligand to the receptor can generate hundreds of second messenger molecules that, in turn, can modify thousands of effector molecules and give rise to different responses. Cells recognize, integrate, and respond to multiple signals from their environment due to signal transduction, providing cells with a normal cell function.

What has changed in the world that has resulted in the drastic increase of carbon dioxide levels in the atmosphere?

Answers

Answer: On Earth, human activities are changing the natural greenhouse. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.

Explanation:

A massive flood tears out many trees in a wooded area. What would you expect the area to look like a year later?
A.
A new species of trees will be about half grown.
B.
Grasses and weeds will be growing in the sunny areas.
C.
It will look exactly like it did before the flood.
D.
There will not be any plants growing the first year.

Answers

The best answer is B, the reason why secondary succession happens much faster than primary succession is because the oil is already there, once the oil is there- with enough sunlight- grass and weeds will grow easily within the span of a year.

Answer:

Explanation:

A database is an efficient way to share information because it:
A. is often the most significant source of error in an experiment
B. provides the most precise measurement of a natural object.
C. can be searched quickly for the most relevant observations.
D. can evaluate the validity of a logical argument in a discussion.

Answers

Answer:

C. can be searched quickly for the most relevant observations.

Can be searched quickly for the most relevant observations. Therefore, option (C) is correct.

What is a database?

A database is a collection of organized data that can be searched, updated, and analyzed to obtain specific information or insights. One of the main advantages of a database is that it allows for quick and efficient searching and retrieval of relevant information.

This is particularly useful for sharing information among multiple users, as it allows for easy access to the same data from different locations and at different times. While a database can be used to store a wide range of information, it is typically not used to evaluate the validity of a logical argument, measure natural objects, or identify sources of error in an experiment.

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Photosynthesis needs water and:

sunlight
chlorophyll
carbon dioxide
all of the above

Answers

Answer:

All of the above is the answer.

Answer:

all of the above

Explanation:

Photosynthesis needs water and:

sunlight

chlorophyll

carbon dioxide

(all of the above)

Why does the bronchioles get smaller and smaller before they reach the alveoli?

Answers

Answer: Parasympathetic stimulation causes bronchoconstriction while sympathetic stimulation causes bronchodilation. During an asthma attack, the muscles that encircle the airway tighten or constrict, limiting the flow of air to and from the lungs.

Explanation: i hope this answers your question and i have a awesome marvelous day.

Answer:

In your lungs, the main airways (bronchi) branch off into smaller and smaller passageways -the smallest, called bronchioles lead to tiny air sacs (alveoli)

the bronchiole end in tiny air sacs called alveoli, where oxygen is transferred from the inhaled air to the blood, after absorbing oxygen, the blood leaves the lungs and is carried to the heart, the blood then is pumped through your body to provide oxygen to the cells of your tissues and organs.

Help me please!!!!!!!!!!!!!!!!!

Answers

Answer:

Explanation:

During meiosis the cell replicates its DNA once, but divides twice. So each cell only ends up
with half the DNA.
MITOSIS
MEIOSIS
88
V3
1. Mitosis makes
daughter cells.
1. Meiosis makes
daughter cells.
chromosomes
2. Each daughter cell has
inside it.
2. Each daughter cell has chromosomes
in it, which is half of the parent cell.
3. Are the daughter cells identical to each
other?
3. Are all the daughter cells identical to each
other?

Answers

Explanation:

in mitosis the daughter cells are genetically identical to each other but in meiosis the daughter cells aren't identical, it has half of the chromosome of its parent cell unlike mitosis who have exactly same number of chromosome as it parent

What's muscles are affected?PLEASE ANSWER a-c

Answers

Answer:

do it in your self hahahahahaa

PLEASE HELP TAKING TEST NOW!!!!!!!!!!!!!! Many animals influence and contribute to ecosystem services. As pollinators, how do bees ultimately contribute to direct ecosystem services? (1 point)
O Bees pollinate plant species that contribute to the carbon cycle.
O Bees pollinate plant species that humans admire in nature.
Bees pollinate plant species that produce oxygen that humans need.
O Bees pollinate plant species that produce food.

Answers

Answer:

Explanation:

Many animals influence and contribute to ecosystem services. As pollinators, how do bees ultimately contribute to direct ecosystem services? (1 point)

O Bees pollinate plant species that contribute to the carbon cycle.

O Bees pollinate plant species that humans admire in nature.

Bees pollinate plant species that produce oxygen that humans need.

O Bees pollinate plant species that produce food.

20. Which does NOT describe primary succession? *
O Decomposing organic matter forms soil
O Presence of existing fertile soil
O Long-term occurrence over extended time
Barren land once covered by glacier

Answers

i think it is B because primary succession is something that can grow on rocks and exposed land. the answer is B because primary success doesn’t include soil where soil is incapable of sustaining life

which term describes a pure substance that made up of only one type of atom

Answers

Answer:

Element

Explanation:

In chemistry, two substances are referred to as PURE SUBSTANCES. One of the pure substances is ELEMENT and the other is compound. An element is a pure substance that contains only one type of atom.

In an element, only one type of atom makes up the structure. For example, H2 (hydrogen) and O2 are examples of elements because they contain only hydrogen and oxygen atoms respectively

Match the description with the appropriate clade.

a. Sheds outer cuticle, radial cleavage, schizocoelous formation, reduced cilia, triploblastic, bilateral symmetry
b. Triploblastic, bilateral symmetry
c. Segmented, trochophore larvae, spiral cleavage, schizocoelous coelom formation, triploblastic, bilateral symmetry
d. Metazoa lacking tissue level of organization
e. Diploblastic, radial symmetry, unique stinging cells (cnidocytes)
f. Sheds outer cuticle, radial cleavage, schizocoelous formation, reduced cilia, triploblastic, bilateral symmetry, segmented

1. Ecdysozoa
2. Bilateria
3. Annelida
4. Parazoa
5. Cnidaria
6. Arthropoda

Answers

Answer:

Explanation:

Which of these are characteristics of herbaceous stems? (Select all that apply.)
A. don’t increase in diameter
B. more pliable
C. stiff
D. thin

Answers

Answer:

the characteristics of herbaceous stems are a, b, and d.

Explanation:

The herbaceous stems include that it does not rise in diameter, it should be more pliable, and thin.

What are herbaceous stems?

It is comprise of the vascular bundles that should be arranged in the circle across the vital role with respect to the spongy tissue that contain of cells that named should be parenchyma which is known as the pith. Moreover, it attributes include that there is no change in the diameter, also it is not stiff but thin.

Therefore, option a, b and d are correct.

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3
The cell shown in the diagram is a protist called euglena. Early scientists were not sure how to classify
this organism. What is one way that euglena cells are similar to plant cells, and one way they are similar
to animal cells?

Answers

Because they both have a nucleus but both of them do not have a cell wall

pls help me with answers due today

Answers

it's hard to read, can you crop out the rest so it's just the worksheet

I need help on this plzzz

Answers

Answer:

they all stay but move 1 and 5 .. 1 goes to 4 and 5 goes to 1

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