1) D) The amount of space a substance takes up
2) A) The amount of matter in a substance
A because b is for photosynthesis
Draw the electron-dot (Lewis) structure of O2. You will see that there is a double bond, thus making the chemical bond a covalent bond since they have to share a pair of electrons in order to complete their octet.
Answer: There are fossils found on either side of different continents and the continents look as though some are puzzle pieces that fit together.
Most definitely a mixture because it's usually a mix of puréed grapes,water,and sugar.