Answer:
The diversity and variations between ecosystems that ultimately links to human existence
Explanation:
Answer:
A
D
Explanation:
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Red blood cells do not have a nucleus.
It does not consist of a cell membrane or a cytoplasm.
It simply only transports oxygen around the body.
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Answer:
They form crystals.
They have higher enthalpies of fusion and vaporization than molecular compounds.
They are hard.
They are brittle.
Explanation:
