Are gases more or less dense than liquids or solids at room temperature?

Which characteristics is common in mature rivers river

What happens when light hits a shiny or smooth surface? A It disappears B It is refracted C It is absorbed D It is reflected.

An external, frictionless pin only prevents rotation. A. True B. False

What is the lupac name H3C - CHT the H₂ - CH - CH2 CH₂ CH₂ CH3

In a remote location near the North Pole, an iceberg floats in a lake. Next to the lake (assume it is not frozen) sits a comparably sized glacier sitting on land.

Through which medium would EM waves travel the fastest? A. The Ocean B. The Atmosphere C. Rocks

Average mass of a toy car (small, hot wheels) ?

A cannon directed straight upward launches a ball with an initial speed v. The ball reaches a maximum height h in a time t. Then, the same cannon is used to launch a second ball straight upward at a speed 2v.

Does the sun fuse hydrogen into helium or vice versa?

Is it possible to put a distance versus time graph to be universal go mine