The basic fusion reaction through which the sun produces energy is

a. e = mc2
b. 4 helium nuclei fuse to make 1 hydrogen nucleus
c. 2 protons and 2 neutrons fuse to make 1 helium nucleus
d. 4 hydrogen nuclei fuse to make 1 helium nucleus

d. 4 hydrogen nuclei fuse to make 1 helium nucleus

Explanation:

As we know that sun is the largest source of energy and it produce high amount energy by performing a fusion reaction in the core of the sun.This reaction us known as nuclear fusion.In fusion reaction 4 hydrogen nuclei fuse and produce 1 helium nucleus.

So the answer is d.

d. 4 hydrogen nuclei fuse to make 1 helium nucleus

the answer is option c.

explanation:

recycled water alludes to the water that being utilized again after it already  used for farming purposes.   this kind of water frequently contains pharmaceutical gathering due to the compound compost that is utilized for the plants is consumed into the water.