What is mass loss and how does it figure in the death of a star? is the sun undergoing mass loss

What do you think would be the reason behind hot air balloon to rise up

A toy race car travels down a 25cm ramp in 5 seconds. Calculate its speed. A. 125 cm/sec B. 5 cm/sec C. 0.2 cm/sec D. 20 cm/sec

Some canoes have compartments on either end that are hollow and watertight. These canoes won't sink, even when they capsize. Explain why

This is the process of water changing from a gas to a liquid. You will see clouds forming when this happens.

Which will speed up a chemical reaction? A. Apply heat. B. Increase the concentration of the reactants. C. Grind up the substance, so there is more surface area. D. all of the above

What is a carbon whip?

2 A scientific theory is

Explain the roles of Earth's own energy sources and solar energy in the rock cycle

In order to merge into highway traffic, a car accelerates along a 100.0 m on ramp from rest to 25.0 m/s. How much time does this take?

Muscle control is the ability to quickly change directions and make complex movements