The diagram below shows a model of four waves. An image of four waves labeled A, B, C, D is shown. Wave A has the smallest distance from crest to crest across the length of the wave. Wave D has the largest distance from crest to crest across the length of the wave. Wave B has a larger distance from crest to crest than Wave A but not as far apart as Wave C. Wave C has a larger distance from crest to crest than Wave B but not as far apart as Wave D. Which wave has the shortest wavelength? A B C D

People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?

Sand spinifex grass is adapted to growing on sand dunes. it is a rapidly spreading plant and the creeping runners produce new root systems. which of these best explains the benefits of these features? a. it limits water loss through the leaves. b. it provides support by anchoring the plant. c. it protects the plant from predators. d. it allows the plant to tolerate salt. reset submit

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.