Ararefaction is a place where the medium of a
a. transverse wave is farther apart
b. longitudinal wave is farther apart
c. transverse wave is closer together
d. longitudinal wave is closer together

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

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.

What organization and environment is described above?