What is the definition of a trace? A. A very small amount
B. A combination of an element with oxygen
C. A mineral containing sulfur
D. A quantifiable amount
E. A very large amount

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

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