Why does a compass point toward Earth’s geographic North Pole? Select three options.

Earth’s geographic North Pole is close to the magnetic north pole.
Earth’s geographic North Pole is close to the magnetic south pole.
Magnets allowed to move freely align themselves to point north.
The north pole on a compass is attracted to Earth’s magnetic north pole.
The north pole on a compass is attracted to Earth’s magnetic south pole.

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

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.

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?