Your answer would be B. Eating nuts and acorns
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Food is moved through the digestive system by the contractions of two sets of muscles in the walls of the gut. One set runs along the gut, while the other set circles it. Their wave-like contractions create a squeezing action, moving down the gut. This series of wave-like contractions is called peristalsis.
Number 1 is double helix
2 is trna rrna mrna and rna
Answer:
Electromagnets are powered by electricity. Normal magnets are just magnetic.
Explanation:
Isn't it obvious?