Please give answers please as soon as possible

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!

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

i believe the answer is 5,000