Atoms are made up of protons , electrons and neutrons ..,, Atoms of the same element with different number of neutrons are called isotopes. Saying that substance “contains only one type of atom “ really means that it contains only atoms that all have the same number of protons .
The factor that determine how water cycles on earth is the forms that water is found in[solid, liquid and gas].
The hottest temperatures are found in the lower latitude areas while the coldest are found in the highest. Basically the closer the sun is the hotter the area is and the farther away the sun is the colder it is.
300g because it’s more water to heat, meaning how easy would it be to boil a cup of water? Easy. What about a pool? See what I mean, bigger the area lesser the warmth it gets.