Define the concept of "risky behaviour" and explain two factors why it is important for youths to investigate and be knowledgeable about it

b. to discover aspects of the natural world.

hopefully i .

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%

its temperature is increasing. this causes molecular vibrations to increase.

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.