Answer: different microscopes have two optical paths but some are put at different angles which makes thee view different.
Explanation: lol idk I just remember learning about them in 7th grade
Answer:
a. Documenting species
Explanation:
first half of the century, time in which primarly scientists the discovery of the depth and size of the ocean.
A stock of different genes in a interbreeding population
C.) viruses need a living host to reproduce... this is cause by viruses being Dioxyriboneuclicacid(DNA) surrounded by a protien shell so viruses are not alive per say.... but they get into cells and use living cells to reproduce
