Answer: b. chemoautotrophs
Explanation: chemoautotrophs are organisms that obtain energy, molecules, water by the oxidation of electron donors in their environments. Chemoautotrophs are able to synthesize their own organic molecules from inorganic sources. They are different from phototrophs who requires sunlight to make their own food
Answer:
If an individual inherits one or two more forms from A from their mother and one or two more forms B from their father, they have blood type AB.
Explanation:
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A metamorphic rock is a type of rock which has been changed by extreme heat and pressure. so must be option D
The answer is B . two atoms exchange electrons and become ions
