What type of evidence does the author use to support his argument that students should be required to complete service hours in order to graduate?
A) The author does not provide any reasons to support his claims.
B) The author primarily argues from the perspective of a parent.
C) The author presents rational and logical reasons to support his argument.
D) The author cites statistics and charts to support his points.

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.