Answer:
1)Reactants
2)Light
3)An item that can increase reaction rates
4)Reactants must collide with each other
Less molecules lower the chance for collisions
The more collisions there are the higher the reaction rate
Explanation:
B. Recycles slowly
And it also depends on the organism
Answer:
B
Explanation:
Atomic # = Protons
it says 4 p in the inside of the orbital
Answer:
open system
Coffee held in a cup is an open system because it can exchange matter water vapors and energy heat with the surroundings.
Answer:
The only nonmetal in group 14 is carbon.
Explanation:
