PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!
2 answers:
I believe its A, because the rock layers would be a direct source of information
Answer:
Radioactive dating of rocks
Explanation:
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The nitrogen base will be uracil
Answer:
have DNA, but are NOT large or complex
Explanation:
The continents began to drift in the Cretaceous period
These groups are called tissues
