Many extrusive volcanic rocks contain holes which have formed from:

acidic reactions

escaping gases

quartz crystals

underwater eruptions

Electroforming is basically the same process as electroplating, but it is used to create a part formed around a pattern, and the plate thickness is much greater than in electroplating: True or false?

The force experienced by a unit test charge is a measure of the strength of an electric:

Which element are you most likely to find as a free element rather than a compound lead or calcium, explain?

what is the difference between length, area, and volume? be sure to include dimensions in your explanation.

Umar has two pans, each containing 500cm3 of water. Pan 1 is made from copper and pan 2 is made from iron. Both have a mass of 1.5kg. Which pan will require more energy to heat the water to 100°C?

What is the net force in the x-direction? 30 N 34 N 55 N 65 N

If an object does not have domains, will it be possible to make it magnetic?

If the loop is then converted into a rectangular loop measuring 2.1cm on its shortest side in 6.50ms, and the average emf induced across the loop is 14.7V during this time period, what is A. the strength of the B-field

Why would you expect to see similar rocks and rock structures on two land masses that were connected at one time?

A quantity that is ignorant of direction is referred to as a