Wyatt is making a model of our solar system. He is labeling the planets as terrestrial planets
and gas giants. Which planet should he label
as a terrestrial planet?
A Jupiter
B Neptune
C Uranus
D Venus

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

In each transformation of energy , some energy what?

How can an organ, such as the lungs, work for multiple body systems?