How do we know that Mars has strong winds on its surface? there are small whirlwinds called dust devils
its atmosphere is made up of mostly carbon dioxide
space probes have been unable to approach it
the surface has a red hue caused by rust

its atmosphere is made up of mostly carbon dioxide

Explanation:

neutrons are in the middle of the atom and the electrons, which are much smaller.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.