Most of the matter making up the earth is composed of
A. gases
B. compounds
C. mixtures

What are the chemical names of these compounds? ke: mg3n2: reset next

Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i