Purpose of space shuttles

in your own words

Fill in the blank. the number of each type of element in the compound (other than 1) is represented by a small number to the right of the element symbol.

The substances that are necessary for producing of certain hormones and that store and transport vitamins

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.