Answer:
that takes place inside a plant, producing food for the plant to survive
The mass number is the sum of the number of protons and number of neutrons the atom has.
So, we can write the equation as:
x + 20 = 40
x = 20 neutrons.
Answer: [B]: " a muscular foot ".
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"Every mollusk has a head, body, and <u> muscular foot </u> . "
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Hope this helps!
Best wishes!
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Single or multi-celled structure, membrane-bound organelles, cell(s) larger than prokaryotes