Answer:
B
Explanation:
amino acids are the building blocks of proteins
Answer:
As altitude increases, the amount of gas molecules in the air decreases—the air becomes less dense than air nearer to sea level.
Explanation:
Thin air exerts less pressure than air at a lower altitude.
The correct answer is C. You cannot view live specimens because the necessary preparation kills cells.
The answer is pretty self-explanatory. Unlike it, regular microscopes can view living creatures such as bacteria or similar.
Answer: All models have limitations because they are not representative of every possible scenario. They use current knowledge and scientific data, but as those are subject to change, the models based off that knowledge and data are subject to change as well.
Explanation: Brainliest please, if I helped you! :)
Answer:
The endocrine system produces hormones that are transported to the target regions by the circulatory system.
The Circulatory System delivers oxygen and nutrients in the blood to the surrounding cells to maintain Homeostasis. The blood in the Circulatory System is needed throughout the body so that other systems work properly. Like for instance the Nervous System has the brain, and the brain needs blood to function.
hope this helps