Plants and animals use the oxygen in the air to turn food into energy. This life process is known as what? A) digestion Eliminate B) excretion C) growth D) respiration

Calculate the kinetic energy of a 100.0-kg meteor approaching the Earth at a speed of 10.0 km/s. Remember that 1 km = 1000 m.

Solubility describes the ability of a substance to evaporate and separate out true or false

What happens to the energy "lost" by a machine? a. it is recycled by the machine b. energy is never lost by machines c. it goes into the environment

Where is the largest known volcano in the solar system located?

How does the electric generator in a wind turbine convert kinetic energy into electrical energy? A. The turbine spins a large battery within a wire coil. B. The turbine spins a large magnet within a wire coil. C.

What did johannes kepler contribute to the study of planets

Baseboard heaters are basically electric resistance heaters and are frequently used in space heating. A homeowner claims that her 5-year-old baseboard heaters have a conversion efficiency of 100%.

Explain why the brakes of a car get much hotter than the brakes of a bicycle?

If 10,000 J of work was done to raise a 225 kg box, how high was the box raised?

The density of air under ordinary conditions at 25°C is 1.19g/L. How many kilograms of air are in a room that measures 11.0ft x 11.0ft and has an 8.00 ft ceiling? 1 in. = 2.54 cm (exactly); 1L = 103cm^3