Which techniques can scientists use to determine the characteristics of earth's layers? select the two correct answers.

5. to comply with implementation requirements, shops must ensure that paint booth exhaust systems use efficient spray booth filters. a) 75% b) 100% c) 50% d) 98%

If i got an 1040 on my psat, what are the chances of being able to get a 1400 on the sat. and are there any recommended ways to study.

Auser wants to add a thick, dark green border around a chart in powerpoint. the user can do this in chart tools by choosing what