Describe in your own words, What is insulation?

If I have a picosecond laser how would that be expressed in terms of zeptoseconds? In terms of petaseconds?

Which of the following are not clues that a chemical reaction has taken place? A. Steam B. Formation of a gas C. Change in color D. Constant temperature

Select the group of elements that include only those that are either colorless, odorless gases or shiny, silvery, soft metals. A) radon, neon, calcium B) neon, bromine, barium C) beryllium, iodine, krypton D) lithium, potassium, fluorine

1. Is the pressure exerted by liquid same at all places? Where is the pressure exerted by liquid higher? Why do you think so? 2. Were your predictions correct? Why or why not?

Why isnt my bed crushed through the floor

Fleas often live on dogs or cats and bite them for meal of blood. This can be harmful to the cat or dog that is bitten. What type of symbiotic relationship is that?

Who was the scientist that discovered Pluto wasnt a planet

Astronauts appear weightless while working in the International Space Station because A) they are in a state of free fall. B) there isn't any gravity in outer space. C) they have very little mass when in outer space.

The distance between two consecutive crests is 2.5 meters. Which characteristics of the wave does this distance represent?

Who first landed on the moon?