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

A measurement must include both a number and a (an)

Why the sun cannot be a huge ball of fire?

What happens to Earth's plates during an earthquake? A) Claim 1: Plates move, which can cause earthquakes. B) Claim 2: Earthquakes cause the plates to move.

If you started the motor of a boat in the middle of a lake, who would detect the sound of the motor first: a friend sitting on the shore of the lake, or a friend snorkeling just below the surface of the water along the same shore?

What is the word we use for when we repeat the same thing more than once in an experiment?

How much work can be done by a 300 w motor in 60 sec?

What is the protoplanet theory

Moving a charged object against an electrical force causes it to

What is the wavelength of a sound wave with a frequency of 50hz (speed of sound is 342 m/s?

What was Galileo's contribution to the study of motion?