How does the cell expend energy in active transport.

Which of the following is not a characteristic of natural selection? 100 points pls more offspring are born than will survive to reproduce. mutations appear randomly breeding pairs are chosen by humans organisms that are better adapted are more likely to survive

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.