What reasons do we have for understanding the object found by the Curiosity

Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms

Find the midpoint of a segment with endpoints of 4-3i and -2+7i

Amatch has about 21 milligrams of red phosphorus coating the tip. how many atoms of phosphorus is this?