Please help these with these two questions

How would the gravitational force between Earth and the Moon change if the distance between the two objects doubled, but all other factors stayed the same?
Group of answer choices

The gravitational force between Earth and the Moon would remain constant.

The gravitational force between Earth and the Moon would completely disappear.

The gravitational force between Earth and the Moon would decrease by a proportional amount.

The gravitational force between Earth and the Moon would increase by a proportional amount.

Paul sprinkles iron filings onto a piece of paper near a bar magnet. The iron filings quickly become arranged in a pattern all around the bar magnet. Which argument does this evidence BEST support?
Group of answer choices

Larger magnets can attract more objects.

A magnet can attract magnetic objects through various materials.

Only objects that are made of metal have a magnetic field.

Magnetic fields exist between objects that are not in contact with each other.