When an enzyme is exposed to a temperature higher than its optimum, what happens?
A)Nothing
B)The enzyme catalyzes the reaction better
C)The enzyme becomes denatured
D)The rate of reaction remains the same

Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

When analyzing tree rings, what do scientists assume a thin ring indicates?