The thermosphere is the hottest layer in the atmosphere because

It is the closest to the sun

Air molecules generate heat

Greenhouse gases absorb cold

The ozone layer reflects the suns heat

Approximately how much water does Earth's hydrosphere contain?

Which is true in a covalent bond? Question 9 options: The bond forms between ions. The bond forms when electrons are shared. The bond holds atoms weakly. The bond is caused by van der Waals forces.

What role do histones play in a cell?

How long does it take for the moon to revolve around the sun

Is Cholera a genetic or an environmental disease?

One of the products of tryglyceride breakdown is glycerol; glycerol enters the cellular respiration pathway by being converted to glucose (in the liver) and then undergoing glycolysis.

More of solar radiation occurs with a higher angle of the Sun. absorption reflection evaporation roughness

What substance is made of protein

During which portion of the electrocardiogram do the atria contract

N a lab you are conducting tests with various chemicals and neurotransmitter receptors. you notice that exposed frog muscle cells depolarize when you add the chemical nicotine to the acetylcholine (ach) receptors.