Which layer of the atmosphere contains a substance that was created from a product of living things and that protects living things?

A) Ionopause

B) Ozone

C) Stratosphere

D) Exosphere

Lichens are an example of a (n)

A car moves at a speed of 50 kilometers/hour. Its kinetic energy is 400 joules. If the same car moves at a speed of 100 kilometers/hour, then its kinetic energy will be 800 1,600 3,200 4,500 joules.

What is the relationship among solutions solutes and solvents

An 18-karat gold necklace is 75% gold by mass, 16% silver, and 9.0% copper. A. What is the mass, in grams, of the necklace if it contains 0.24 Oz of silver? B. How many grams of copper are in the necklace.? C.

How does density affect refraction?

All the following are characteristic properties of phosphorus. Which one is a chemical property? (a) When exposed to air, white phos - phorus will burn spontaneously, but red phosphorus will not. (b) Red phosphorus and white phos - phorus are solids.

What are the monomers of proteins called

What type of fermentation occurs in yeast?

How much energy is required to vaporize 0.5kg of water?

Can u give me uses of sodium