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What is escape velocity?

This is the minimum initial velocity required to move from a point to infinity in a gravitational field.

Infinity is defined to have...

Answered by Ashkan P. • Physics tutor

7855 Views

Outline the features of seismic waves.

Seismic waves are shock waves released by the rupture of rock duing an Earhquake. Seismic waves radiate from the focus of the earthquake and travel through rocks.

Primary waves (P-waves) are c...

Answered by Bethan D. • Geography tutor

27684 Views

What is endosymbiosis and how does it relate to mitochondria?

Endosymbiosis is where two organisms live together, one inside the other: endo=in, sym=together and biosis=living.

Answered by Aidan H. • Biology tutor

5246 Views

Describe the formation of hotspots and explain their relationship to plate movement.

Radioactive deacay in the Earth's core creates extremely high temperatures which heat the lower mantle. When radioactive decay is concentrated, local thermal currents are generated in the lower mantle...

Answered by Bethan D. • Geography tutor

26820 Views