The atomic number of a nucleus decreases during which nuclear reactions?

Why do gases diffuse faster than liquids?

Device that measures electric current

Because it implies royal status, the granary at the Conical tower and circular wall of Great Zimbabwe is most similar to what object?

A force is a blank that acts on an object

A 2,100 kg car is lifted by a pulley. If the cable breaks at 4.50 m, what is the velocity of the car when it hits the ground

Which of the following is a supersonic speed? Mach 0.005 Mach 0.05 Mach 0.5 Mach 5

How do you solve this equation ___ Al + ___ Na1 O1 H1 - ___Na3 Al1 O3 + __ H2

A student pulls a 60 Newton sled with a force having a magnitude of 20 Newton's. What is the magnitude of the force that the sled exerts on the student

The four basic properties of lighting are

Which of the following is the correct SI unit to use in measuring the mass of a boulder A. ounces B. tons C. kilograms D. pounds (I'm sorry If I didn't pick the right subject!)