BIOLOGY MIDDLE SCHOOL

What is the primary role of the respiratory system in living organisms

Answers

Answer 1
Answer: The answer to what is the primary role of the respiratory system in living organisms is B. To obtain oxygen
Answer 2
Answer: The primary purpose of the respiratory system in living organism is to obtain oxygen (B) so to sustain life. Respiration is an essential function of many living organisms and the respiratory system plays a vital role in this process.

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Which of the following statements best describe how biological science has developed over time? A. Until 50 years ago, only white males made contributions to scientific knowledge B. Men and women all over the world have investigated scientific questions throughout history. C. All useful scientific knowledge has developed within the past 100 years. D. No new discoveries are left to be made.

A dormant volcano is erupting or may erupt in the near future.Please select the best answer from the choices provided

T
F

Answers

False Dormant means nothing has happend in a long time

When warm air from a large body of water moves quickly into a land area of cold air, we can expect _________ to occur where the two air masses meet. A) fog B) low humidity C) thunderstorms D) a gentle sea breeze

Answers

Answer: The aswre is c

Explanation:

When warm air from a large body of water moves quickly into a land area of cold air, we can expect precipitation to occur were the two air masses meet. The ingredients for a thunderstorm are moisture, unstable air and lift. You need moisture to form clouds and rain. You need unstable air that is relatively warm and can rise quickly, and you need lift. This can form from fronts, sea breezes or mountains.
 your answer is C. because its kinda like a tornado when hot and cold collide there is a storm. I am about 90% confident with my answer but i wuold double check.

What are chemical reactions?

Answers

Answer:

Process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction Hope this helps! Have a great day!

Which of the following can fix nitrogen?
 Answer











 


A.human industrial processes









 


B.lightning









 


C.certain bacterial species









 


D.all of the above





Answers

d . all of the above .
The answer is (D) all of the above.

What causes wind to deposit sand or other sediment

Answers

The prevailing wind is the main source of wind and long shore drift causes sand to be deposited.

Which of the following is a substance that is found between the cell membrane and the nucleus, which primarily consists of water and holds organelles?

Answers

The answer is Cytoplasm.The cytoplasm is describe as that refers to all cellular contents between the cell membrane and nucleus; consists of cytosol and organelles. The plasma membrane consists of structural components called phospholipids, proteins, and carbohydrates. Organelle is commonly referred to as the "powerhouses" of a cell called mitochondria.

The Answer is Cytoplasm
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