It provides the approx. time that the organism was alive by comparing them to index fossils.
D. carbon dioxide and water changes
Answer:
c. is the only answer that doesn't say you are using drugs.
Protists belong to the group eukaryotes (having their DNA enclosed
inside the nucleus). They are not plants, animals or fungi but they act like
one. They can be in general subgroups such as unicellular algae, protozoa and
molds. They thrive in environments with little sunlight. But they are not
plant-like organisms. The answer is letter B.
