17. Scientists analyzed data about Vesuvius in the same way that a zoologist a specimen. A. describes in detail
B. studies by cutting apart
C. photographs
D. chart
E answer not available​

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line