Answer:
when the Moon has moved in its orbit so that Earth is “between” the Moon and the Sun.
Explanation:
Normal cells listen to signals from neighboring cells and stop growing when they encroach on nearby tissues (something called contact inhibition.) Cancer cells ignore these cells and invade nearby tissues. Benign (non-cancerous) tumors have a fibrous capsule.
A strand of DNA is in the double helix structure.. you can think of it as two interconnected spiraling stairs
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