Have you tried the app Socratic it teaches and gives you answers...
16. Science is the study of the natural world by gathering information and data but technology needs science to create devices, ie. (phones, tablets, laptops).
17. Life and Earth.
18. A scientific law is the description of an observed phenomenon, and, the explanation of the phenomenon is therefore called the scientific theory.
19. 1.) ask questions.
2.) do a background research.
3.) create a hypothesis
4.) test your hypothesis with experiments and etc..
5.) review your data and create a conclusion.
6.) talk about your results, (what, why, how).
Good luck!
The answer is the meaning of life have
Actually ignore that persons answer its open ocean. im only telling you because its in my text book for penn foster hopefully you didnt get it wrong!
By burning chemicals, also coal has been pollution since way back but since its used for electricity theyuse it anyways
