What specific electrophile does benzene attack when it undergoes nitration? ?

Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.

Explain why scientists use shared characteristics to make cladograms.

When the water vapor cools it condenses select a number that represents his process on the