How do plants slow down erosion? They slow down water as it runs downhill.
They speed up water as it runs downhill.
Their roots crack open rocks.
Their roots create new rock.

Compounds a and b react to form compounds c and d according to the equation: aa + bb → cc + dd. under which conditions will the rate law be given by the equation: rate = k[a]a[b]b? a. the reaction takes place in one step. b. the reaction is endothermic. c. the reaction is exothermic. d. the reaction involves more than one step.