Nuclear fusion generates the energy that is released by stars.
In the great majority of stars, it's the fusion of hydrogen nuclei
to form helium nuclei plus energy. In very old stars, the nuclei
of heavier elements are fused, forming even heavier ones.
Barley. Grains remain an important part of the Russian economy.
The correct answer would be D. The oceans of earth doesn’t have anything to do with the surface of the earth except affect it. The definition of geography is the study of the physical features of earth, it’s atmosphere, and of human activity
I think earthquakes or volcanoes.
