What are two types of cold air masses that influence the weather in North America? Name them and describe their humidity.

The amount of water vapor in the air is referred to as what? A. air pressure B. humidity C. temperature D. salinity

Explain what distributed means and give one or two examples of something that is distributed

What is the primary cause for the change in seasons? A. the tilt of Earth's axis B. the distance of Earth from the Sun C. the position of the Moon between Earth and the Sun D. the speed at which Earth rotates

Can water vapor be treated as an ideal gas? discussbriefly.[5]

What is an atom and an element

The last column of the periodic table contains the noble gases, elements that do not easily form chemical bonds.

When pollution is removed from the air by a natural process, it

What atomic property is different in each isotope of an element?

How do carbon-12 and carbon-13 differ? Select all that apply. They have different amounts of neutrons. They have different atomic charges. They have different mass numbers. They have different amounts of electrons.

Why arent the jaguars and sloths growing and thriving?