PLZ HELP Which is an example of a mathematical model of a landslide? A. Using calculations to predict when a landslide will happen
B. Making a model of a mountain out of clay C. Thinking of a landslide as a river flowing downhill
D. Pouring dirt down the side of a hill and photographing it SUBMIT​​

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =