You stand at the top f a tall building with a stopwatch. you drop a rock off the side of the building, and it takes the rock 1.9 seconds to hit the ground (assume no time resistance)

a. how tall is the building?

b. how fast was the rock going when it hit the ground?

c. when you did your calculation for part (b), you assumed there was no air resistance. would your answer be larger, smaller, or the same if there were air resistance? explain.

Like a key in a lock, the shape of the. must bind with the. of the recieving neuron

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.