Answer:
There are four major classes of biological macromolecules.1.)carbohydrates 2.)lipids 3.)proteins 4.)nuclic acids .each is an important cell component a performs a wide array of functions.
Answer:
Abnormal, unhealthy cells will develop.
Answer: A. before history was written.
Explanation:
I'm not sure if you need an explanation, but prehistoric means "very old or out of date." Hope this helps, Good luck! :)
Answer:
365 days so 1 whole year
Explanation:
i,m correct promise
i'm a genius when it comes to science
can i have a brainlist pwease
