Answer:
The word 'Group' in science refers to a column in the periodic table of the chemical elements.
Explanation:
"In a group, the chemical elements have atoms with identical valence electron counts and identical valence vacancy counts." -high school textbook
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Answer:
A .Viruses cannot evolve but can infect living cells.
B.) Compound Light Microscope.
The other microscopes are too powerful,and kill the organisms.
Answer:
B. Natural Selection, others are some what related to genetic engineering.
Answer:
help the digestive system break down food quickly