Answer:
6.grass
7.xylem
8.oval
9. poor growth of bones and teetn
1. <em>Increasing the concentration of one or more reactants will often increase the rate of reaction. This occurs because a higher concentration of a reactant will lead to more collisions of that reactant in a specific time period. </em>
<em>2. Physical state of the reactants and surface area.</em>
I think you add 29.57 + 80 and the answer would be 30.37
A because A is the only answer
Nothing happens to these particles when it comes to size however if it were to be speed, the sample would increase.
Fact: The size of a particle will never change!