What is the name of the upward force that enables a bird to fly?
A. Lift
Answer:
5.63
Explanation:
Divide mass by volume, which will give you 5.63. For instance, 45 divide by 8 what is it? find out
Catalysts
a catalyst is something added to a reaction that speeds it up (or lowers the activation energy)
increasing the temp would speed up the whole reaction but not lower the activation energy
so B.