i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.
hope it
Answer from: Quest
the potential energy of the reactants is 200j.
from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.
Answer from: Quest
The breaking apart of glucose, which involves spontaneous reactions
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.