Mitochondria. This isn't called the powerhouse of the cell for no reason. lol
Answer:
blood, vessels, oxygen, (heat, hormones), carbon (iv)oxide
The 'greenhouse effect' is the warming of climate that results when the atmosphere traps heat radiating from Earth toward space. Certain gases in the atmosphere resemble glass in a greenhouse, allowing sunlight to pass into the 'greenhouse,' but blocking Earth's heat from escaping into space.
Answer:
according to khan academy,"Bond enthalpy and enthalpy of reaction help us understand how a chemical system uses energy during reactions. The bond enthalpy describes how much energy is needed to break or form a bond, and it is also a measure of bond strength"