Enormous amounts of carbon are stored in fossil fuels. When humans burn fossil
fuels, large amounts of carbon dioxide are released rapidly into the atmosphere.
What is the main scientific concern about having too much carbon dioxide in the
atmosphere?
Warming of the climate
O Cooling of the climate
Too much oxygen

Describe two recent or ongoing space missions.

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis

5. what might happen if you were to remove all light from the setup after the discs have all become buoyant? describe what you would see. explain why this would occur with relation to cellular processes like respiration. [referring to an ap biology lab in which spinach discs are placed in a sodium bicarbonate solution and exposed to light.]