Ascientist did an experiment to show the properties of sound waves. the scientist's results were declared valid because a leading newspaper published the results the results of the experiment could not be repeated the scientific process used in the experiment was elaborate all the scientists who did this experiment got the same result

Answer by YourHope :

Hi! C:

A scientist did an experiment to show the properties of sound waves. The scientist's results were declared valid because...?

All the scientists who did this experiment got the same result!

:)

a.metals can become magnetic if they have many spinning electrons that create magnetic fields.d.only some metals are attracted by magnets; these metals are called ferromagnetic.

d.wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current.

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.