During which period of the Paleozoic Era did the first amphibians evolve?

Permian

Devonian

Cambrian

Carboniferous

You have a horizontal grindstone (a disk) that is 86 kg, has a 0.33 m radius, is turning at 92 rpm (in the positive direction), and you press a steel axe against the edge with a force of 24 N in the radial direction.

As a volunteer, you have to comply with the patient privacy act

This is a situation that exists when a country imports more than it exports.

Can u get anime powers in real life?

How much heat is required to raise the temperature of 0.25 C to 30 C?

If your at the mall with your friends and they shoplift what would you do

Fluid is leaking from an axle seal. Technician A says to remove the wheel and check for incorrectly installed brake components. Technician B says to check for obstructions at the differential breather.

All matter we encounter in everyday life exists in one of three physical formss True or False.

15 grams of liquid plastic are frozen in a physical change that increases the volume. What can be known about the plastic after the change?

A Car is lifted a certain distance in a service station and therefore has potential energy relative to the floor. if it was lifted twice as high, how much potential energy would it have?