Coal contains chemical energy and is an important energy resource for generating electricity.

Question

Which statement ,begin emphasis,best,end emphasis, describes where the chemical energy in coal comes from?

Answer options with 4 options
A.
Natural gas in Earth's crust is converted into chemical energy.

B.
Energy from the Sun is changed into chemical energy by plants.

C.
Soil creates heat energy in rock that is converted into chemical energy.

D.
Petroleum is absorbed by porous rock layers and converted into chemical energy.

Answer 1

B. Energy from the Sun is changed into chemical energy by plants.

Answer 2

Which is the ,begin emphasis,smallest,end emphasis,?

Answer options with 4 options
A.
virus

B.
neuron

C.
bacteria

D.
red blood cell

Answer 3

A. virus