Which descriptions of evolution are accurate? select three options a. it occurs within an individuals life time.
b. it occurs over many generations.
c. it applies to n entire population
d. it happends at a genetic level

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Who was the first scientist to measure speed as distance over time?

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit