Gray whales travel down California's coast as they migrate between cool waters off Alaska to the warmer waters along Mexico. In which area do you think more thermal energy would move from the whale to its environment? Explain.

Let's say you hold some ice in your hand. the ice melts and your hand feels cold. is the reaction h2o (s? h2o (l endothermic or exothermic? is the change in enthalpy of the reaction positive or negative.

You visit the Grand Canyon on a particularly hot day, and like all good tourists, you yell "Hello!". Would you expect to hear the echo sooner or later than on a cooler day? Why?

What is the cause of the Earth's magnetic field? A. The solar energy radiating from the Sun makes an impact on Earth's atmosphere and produces a magnetic field. B. The Sun exerts a gravitational pull on the planet and produces a magnetic field. C.

Wich single force acts on an object in free fall (air resistance) (gravity) (friction) (fluid forces)

A player with a positive attitude toward officials demonstrates which of the following

An electron and a proton, starting from rest, are accelerated through an electric potential difference of the same magnitude. in the process, the electron acquires a speed ve, while the proton acquires a speed vp. find the ratio ve/vp.

Why water is matter? what is the reason

Restate newton's first law in terms of acceleratin

What step precedes the onset of hydrogen fusion in a star?

Manuel is holding a 5kg box how much force is he exerting on it