The air that surrounds the Earth and is made of a mixture
of gases is the -
A. oxygen
B. atmosphere.
C. carbon dioxide.
D. weather

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

Idon’t quite understand this problem