1.

A moon on the opposite side of the sun is called a moon.

full

new

2.

Sun directly behind the moon is called a moon.

full

new

3.

A moon that is more than half full is called a moon.

gibbous

new

digestion

it excretes wastes

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

mass and weight are closely related because mass affects the weight of an object experiencing the effects of gravity. weight is the measure of the force of gravity on an objects's mass, while mass is the measure of how much matter there is in an object.