Most stars end their life as which type of star?

A) giant

B) white dwarf

C) neutron

D) main sequence

When using a lever, what needs to happen in order to increase the size of the output force and to raise the mechanical advantage of the lever?

Some birds migrate 20,000 miles. If 1 mile equals 1.6 kilometers, calculate the distance these birds fly in kilometers.

Explain why it takes more energy to remove the second electron from a lithium atom than it does to remove the fourth electron from a carbon atom.

3. A roller coaster car sits at rest at the top of a hill, 23.5 meters tall. What will be the final velocity of the car at the bottom of the hill?

The kinetic and potential energies of an object both always depend on which property? A. Relative position of the object B. Gravitational force on the object C. Mass of the object D. Volume of the object

A meter is measured in?

Explain why you poured the water into water before you identify the smell?

The force you exert on machine is called the?

22 What will NOT pollute the groundwater? F Motor oil spillage G Compost production H Injected radioactive waste J Lawn fertilizers

What is the oxidation state of a hydrogen atom bound to an iron atom.?