How is an isotope different from the standard form of a chemical element?
A
It has a different number of protons.
B
It has a different number of neutrons.
с
It has a different number of electrons.
D
It has a different number of positrons.

A it has different number of protons

Explanation:

Because an isotope is different from the standard form of a chemical element. and so it has different number of protons

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )