When radioactive atoms decay, they give off radiation and ___. A. heat energy B. poisonous gases C. ridge pushes D. p waves

Which of the following is the most usable form of nitrogen to plants? ammonia nitrates nitrous oxide nitrogen gas

2. A child standing on a bus remains still when the bus is at rest. When the bus moves forward and then slows down, the child continues moving forvard at the original speed. This is an example of A. an action-reaction pair. B.

Which change is the best example of a physical change? (1) a cookie baking (3) ice cream melting (2) paper burning (4) a nail rusting

A dog has a mass of 12 kg. What is its weight? Round your answer to the nearest whole number. The dog weighs ___ N.

About 30 miles Into Earth, the speed of selsmic (earthquake) wave ut 30 miles Into Earth, the spe of seismic (eartha e) waves Increases.

I hockey puck slides across an ice rink more easily than it does across a rough concrete surface why is this

Sodium-22 Sodium-25 # of protons # of neutrons # of electrons

As the particles of a solid undergo sublimation, they A: lose energy B: move closer to one another C: change temperature D: move farther apart from one another

the math club must order 35 new uniform shirts. There are 5 more girls than twice the number of boys in the club. How many of each uniform type should the club order

Find out the kinetic energy of a body of mass 2kg moving with the speed of 3m/s