In an astronomical sense, which is not considered an ice?

hydrogen

carbon dioxide

water

ammonia

In a food chain, which trophic level contains the greatest amount of energy? A. decomposers B. producers C. herbivores D. carnivores

If the gravity of earth changes, would we all get flung into space?

As light from air to water to glass, it will refract. The best explanation for this would be

Whenever important physicists are discussed, Galileo Galilei, Isaac Newton, and Albert Einstein seem get the most attention.

You climb to the top of a tall water tower and drop a water balloon. As it drops, the balloon is experiencing energy changes. What are those energy changes?

When nuclear fission occurs, some mass is lost. Where does the mass go?

A wheel rotates through 5.7 rad in 2.6 s as it is brought to rest with constant angular acceleration. Determine the wheel's initial angular speed before braking began.

How much ice at a temperature of - 23.8 ∘C∘C must be dropped into the water so that the final temperature of the system will be 35.

A failure of the red-sensitive nerves in the eye to respond to light properly causes

A moving electron accelerates at 5200 m/s2 in a 55.0° direction. After 0.530 s, it has a velocity of 6598 m/s in a - 20.5º direction. What is the x-component of the initial velocity?