Q: Plants obtain their energy from the sun through photosynthesis , what do animals obtain their energy from? Choices: - tissues - proteins - ultraviolet rays - organisms A:
organisms

Q: What do you call reversible changes that do not change matter's chemical makeup or chemical properties? Choices: - potential changes - element changes - chemical changes - physical changes A:
physical changes

Q: The point in front of a mirror where the reflected rays intersect is known as what? Choices: - reflective point - boundary point - periodic point - focal point A:
focal point

Q: Which part of the body has mucus and hair to trap dust and also warms and moistens air so to not harm lung tissue? Choices: - the tongue - the throat - the ear - the nose A:
the nose