Scientific investigations often lead to the formulation of new scientific questions. The observations Charles Darwin's work afte
r he returned home from his voyage and studying the selective breeding of pigeons prompted him to ask which question?
1 answer:
Answer:
How are traits passed on from one generation to the next?
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Answer:
sea
Explanation:
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Answer:
Atomic Number
Explanation:
The atomic number gives you the number of protons in a given element.
I would go with the first option
1/2 of a radioactive substance will remain after 3 half lives.
Supply oxygen to cells for cellular respiration.
