Why isn't nuclear fusion used to generate electric energy in power plants? A.
It requires extremely high pressure.

B.
It uses a very rare radioactive isotope.

C.
It releases less energy per gram than uranium does.

D.
It requires converting matter into energy.

Explain the consequences of this addiction to the brain tissue

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.