The energy output of the sun is caused by converting hydrogen into helium, which is a process called nuclear fusion. Since the sun consists mainly of hydrogen, it has vast supplies to convert to helium.

I don't believe humans are a mistake, the fact that we are here proves it.

The first element is the information source,2nd transmitter,3rd a channel,4th receiver,and 5th destination. This constitutes a communication system.

Yes eating ice is a symptom of iron deficiency, and iron deficiency can cause hair loss ( there are other reasons for hair loss). I suggest you get a blood test.

Rocks are the hard part of the earth. They range in size from grains of sand to continents. Rocks are made up of variable mixtures of mostly organic minerals that are bound together in varies ways. The earth produces rocks in 3 ways. Igneous rocks formed when molten rock is either ejected directly on the … Read more

When they are very close together since gravitational force is defined as , g.f.= k m1xm2/d^2 k=gravitational constant, m1 mass one, m2 mass two ,the product of the two masses, divided by the square of the distance between them.