Top answers


Explain the formation of bays and headlands (6 marks)

Some areas of coast, such as the 90 kilometer Purbeck coastline on the South coast of England are known as discordant coastlines. This means they have bands of rocks with alternating resistance, in layers pe...
JS
Answered by James S. Geography tutor
14377 Views

State assumptions made about the motion of the molecules in a gas in the derivation of the kinetic theory of gases equation.

The molecules move in random motion. Collisions of molecules with each other and with the walls are elastic (total kinetic energy stays constant). Time in contact is small compared with time between collisio...
MJ
Answered by Marina J. Physics tutor
6622 Views

Explain two benefits to a business of using part-time staff

One benefit is that part-time staff offer greater flexibility and keeps costs down for variations in demand while keeping costs low. For example, in winter months many retail businesses hire part-time tempor...
JR
8405 Views

Predict the bond angles and shape of a molecule of ammonia.

There are four (4) groups of electrons around the central nitrogen atom (3 shared pairs and one lone pair of electrons)2) According to electron repulsion theory, the electrons move further away from each oth...
NB
Answered by Nathan B. Chemistry tutor
5715 Views

Explain an effect of the environment on physiological processes.

Environment is described as any internal and external surrounding, an example would be a stressful environment. Stress is caused by an increase in the hormone cortisol. While physiological processes are any ...
JO
2182 Views