Why isn't Earth a closed system

Which of the following statements is a consequence of the equation, E = mc2 A energy is released when matter is destroyed B mass and energy are equivalent C the law of conservation of energy must be modified to state that mass and energy are

Fossils reveal which of the following about a species or organism a. how the organism interacted with other organism b. the miccroscopic feature of the organism c. the growth stages of the organisms species d.

Which is the phase change in which a substance changes from a gas to liquid?

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. He uses the new cleaner on one half of the shower tiles and his old cleaner on the other half.

In 1665 Sir Isaac Newton proposed the fundamental law of gravitation as a universal force of attraction between any two bodies. What does this theory state about the force that makes an apple fall and the force that keeps the moon in its orbit?

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.