What can a wave be described as

Evaluate this exponential expression,8. (2 + 3)2 – 42

Explanation for basic character?

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.