10. What changes during a chemical reaction between two compounds?
A. number of atoms
B. chemical bonds
C. total mass
D. total energy

Answer:

I think it's chemical bonds I'm not of that helped

The changes occurs in chemical bond during a chemical reaction between two compounds. The correct option is B.

A chemical bond is a long-lasting point of attraction among atoms, ions, or molecules which then allows chemical compounds to form.

Ionic bonds are formed by the electrostatic force between oppositely charged ions, whereas covalent bonds are formed by the sharing of electrons.

A covalent bond is the strongest bond in chemistry. In such bonding, each atom shares electrons that bind them together.

The bonds that hold molecules together break apart and form new bonds during chemical reactions, rearranging atoms into different substances.

Each bond requires a different amount of energy to break or form; without this energy, the reaction cannot occur, and the reactants remain unchanged.

Thus, the correct option is B.

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Which of the following is a reason for the genetic variability from sexual reproduction?
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C. Offspring have the same gene combinations of either of their parents.
D. Members of a species choose mates, creating different combinations of genes.
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Based on what you have learned in this activity, will you share the link to that article on
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Submit

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O Haploid somatic cells
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the-

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A.
Hydrothermal vents were closest to ocean surface, and therefore could receive oxygen.
B.
Oceans were dry and only had water near the hydrothermal vents in the earlier ages.
C.
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D.
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how do birds the ant seen here reproduce​

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