Multiple Choice
The majority of oxygen in earth's atmosphere is a product of photosynthesis by ______.
A) agricultural lands
B) microorganisms
C) rain forests
D) green plants
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q8: In general, eukaryotic cells are about _
Q9: A recently-developed mnemonic for remembering the taxonomic
Q10: A diagram of the three domains (Bacteria,
Q11: Which scienti?c name is written correctly?<br>A) staphylococcus
Q12: The orderly arrangement of organisms into a
Q14: Among these types of microorganisms, the _
Q16: Helminths are _.<br>A) infectious particles<br>B) protozoa<br>C) bacteria<br>D)
Q17: Using microbes to detoxify a site contaminated
Q18: The incidence of deaths from communicable disease
Q33: Members of the same species share many