Help me out with 2 multiple questions!!!!!!!!!!!!!!!!! ASAP please

Question

What is flux in general?

1. A flow of energy, so heat is an example of flux.

2. Flowing matter such as a river or an air current.

3. Flowing energy or flowing matter.

4. An amount of energy or matter passing through an opening of cross sectional area A.

5. amount of energy or matter flowing through an opening of cross sectional area A each second.

Which statements about 'intensity' are correct?
(Think carefully about each statement and select all that apply.)

1. The intensity of light is related to brightness.

2. The intensity of light on a piece of paper does not change when you approach an ordinary light bulb with it.

3. The intensity of sunlight is larger at noon than in the morning because the Sun's power is larger at noon.

4. The intensity of sunlight is larger at the equator than it is at the north pole.

5. The Sun's power is larger at the equator than it is at the north pole.

6. When a flat object such as a thin book is exposed to sunlight, the energy absorbed by the book each second depends on the orientation of the book relative to the Sun's rays.

Answer 1

im doing the physics 100 reading quiz too! for the first one, idk, but for the second one, someone told me that if you choose all the answers you still get it right.