What causes convection currents in the ocean?

Write a 150-word essay describing the effect of people's activities on the environment in the region.

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Macbeth and lady macbeth are partners in the nurder of duncan and both become