Answer:
bio -characteristic of life
The chemical formula for water is H2O which means that every molecule of water has 2 atoms of hydrogen (H) and one atom of oxygen (O). Here comes the key part. From the Periodic Table of Elements, one sees that one molecule of oxygen atoms weigh 16 grams.
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Answer:
B.Evolution, natural selection
Explanation:
Charles Darwin is known as the "Father of Evolution" because he proposed the idea of evolution by way of natural selection.