Which equation describes a parabola that opens up or down and whose vertex is at the point (h, v)? a. x = a(y - v)2 + h b. y = a(x - h)2 + v c. x = a(y - h)2 + v d. y = a(x - v)2 + h

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

Set comes up with for examples of sound waves ocean wave light wave and hand wave which of tonys examples is not an actual scientific wave

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000