All of the devices below either use or produce electrical energy. Which one converts mechanical energy to electrical energy? E. Battery
F. Electrical drill
G. Wind turbine
H. Electric guitar

What is the relationship of air masses and the temperature of oceans?

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?

Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.