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

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

How many moles are in 43.9 l of oxygen

Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.