what does the fact that there were slaves in new Jersey indicate about the role of slavery in the United States?

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.

Stage in which a typical star has completely stopped fusion

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.