What kind of bonds holds together atoms within a molecule

covalent bonds

Explanation:

The bonds that hold atoms together to form molecules are called covalent bonds. They are pretty tough and not easily made or broken apart. It takes energy to make the bonds and energy is released when the bonds are broken.

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The bonds that hold atoms together to form molecules are called covalent bonds. They are pretty tough and not easily made or broken apart. It takes energy to make the bonds and energy is released when the bonds are broken

Explanation:

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answer; i believe the answer is (polygenic inheritance;

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.