How do crabs support and protect themselves without a skeleton

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

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot