Which statement best explains how tectonic activity affects long-term climate change? Volcanic eruptions can cause both global warming and global cooling. The movement of continents changes wind patterns and ocean currents. The change in Earth’s tilt and its orbit around the Sun cause climate change. The increase of sunspots increases Earth’s temperature.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

to figure the total magnification of an image that you are viewing through the microscope is really quite simple. to get the total magnification take the power of the objective (4x, 10x, 40x) and multiply by the power of the eyepiece, (usually 10x)