Chemistry, 02.10.2019 09:30 alfonso2382

Need asap !
cassie has a magnet that she holds over an iron nail. the nail moves toward the magnet before the magnet touches it.

which of the following is true about magnetism?
a.
magnetism is a force that must directly touch an object in order to move it.
b.
magnetism is a force that acts at a distance and cannot be seen.
c.
magnetism is not a force, and therefore it cannot move an object.
d.
magnetism is a force that can be seen in the air as it moves an object.

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 06:30, aide12345

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Answers: 2

continue

Chemistry, 23.06.2019 03:30, neariah24

Ineed pls urgent 1-20 in order and fully detail step my step.

Answers: 1

continue

Chemistry, 23.06.2019 06:00, irenecupcake4348

What does it mean for something to be dissolved in watera- it is submerged in water moleculesb-it is stirred in the water moleculesc- it is surrounded by water molecules d-it has water molecules added to it

Answers: 2

continue

Chemistry, 23.06.2019 07:00, jstyopin

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)

Answers: 1

continue

You know the right answer?

Need asap !
cassie has a magnet that she holds over an iron nail. the nail moves toward the...