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F.)-The properties of graphite are:

1.)Its soft in touch.

2.)It is a good conductor of electricity.

3.)Its an opaque substance.

G.-Conductor are those substances through which electricity can flow easily.

Insulators are those substances through which electricity cannot flow.

H.)-

Chemical pollution is defined as the presence or increase in our environment of chemical pollutants that are not naturally present there or are found in amounts higher than their natural background values.

I.)Any three chemical pollutants are:

1.) carbon dioxide

2.)pesticides

3.)Herbicides

Hope its helpful to you!

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation: