Describe what a high and low frequency electromagnetic wave look like.

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

If you put a helium-filled balloon in the refrigerator, what will happen?