Which body changes occur during adolescence?

a) sexual maturity and growth spurts only

b) puberty and growth spurts only

c) sexual maturity and puberty only

d) growth spurts, puberty, and sexual maturity

D

Explanation:

These include voice changes, body shape, pubic hair distribution, and facial hair.

Breast development. changes in body shape and height. growth of pubic and body hair. the start of periods.

The first places to grow are the extremities (head, hands, and feet), followed by the arms and legs, and later the torso and shoulders. This non-uniform growth is one reason why an adolescent body may seem out of proportion. During puberty, bones become harder and more brittle.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds