Will mark brainliest

which statement is true about this magnet and nails?

a. the magnet is a permanent magnet
b. both the magnet and the nails are permanent magnet
c. both the magnet and the nails are temporary magnets
d. the magnet is a temporary magnet

A

Explanation:

The magnet can always attract other things.

A is right

Explanation:

If you can try this experiment that if you place a magnet to any other iron, steel just like paper clip the paper clip will came close to the magnet and finally it will stick to it and the nail will not even dare to came close to the

paper clip or the paper clip will never dare to came close to the nail

answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2