Which characteristics make Mercury different from Earth? Select two options.

rings
no moon
slow revolution
hot surface temperatures
atmosphere of carbon dioxide

h let me think

1 a

2 d

3 a

4 c

explanation:

one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.

nuclear fission produces elements that are heavier than helium.

the elements that are used in nuclear fission and their products are much heavier than helium.