Answer:
Well, most transportation methods cause carbon dioxide to go into our atmosphere. Using hairspray is also another way. Because of the high levels of Carbon Dioxide in our atmosphere, global warming has risen (if that’s a word :D). Due to global warming ice in Antartica is melting and the Polar bears are in danger (sadly). Now I can’t tell you anymore about this topic because I don’t know anything about it (I haven’t learned anything else yet) I hope this helped, and if you knew this information I’m really sorry....Have a great day!
Explanation:
First turn 18% to a decimal, which is .18, then multiply it by 450.
450 x .18 = 81
Forced assimilation could be a major cause of internal conflict
Air mass, letter a is the correct one
Answer: B. Show that light was composed of different colored rays
Explanation:
In the eighteenth century Isaac Newton found out that when a beam of light from the Sun, passes trhough a prism is decomposed in many different colors. He named this phenomenom as dispersion of light.
This phenomenom occurs when a beam of white light (which is compound of many wavelengths or "colors") is refracted (the different rays of light are diverted depending on their wavelengths) in some medium, leaving their constituent colors separated.