For diffusion to occur, which condition must be met?

O A concentration gradient must exist,

O A hypotonic external environment is required,

A hypertonic external environment is required.

Dynamic equilibrium must exist.

Which situation would be represented by zero?

A group of 4 friends is playing cards. The deck has 70 cards. to start the game, the dealer makes a pile of 15 cards in the center. Then the remaining cards are dealt one at a time to each player until all the cards are gone.

Solve: 4 (4x) + 2 (x) = 72

State whether State whether the transformation appears to be a rigid motion. Explainthe transformation appears to be a rigid motion. Explain

A used bookstore will trade 2 of its books for three of yours. If Val brings in 18 books to trade, how many books can she get from the store?

What happens when the smog lifts in Los Angeles

1. Caroline drove 350 miles to the beach. The trip took her 57 hours. What was her average speed in miles per hour?

Which ordered pair is a solution to this equation? 2x - 9y = 38 (7, 5) (4, - 1) (3, - 3) (1, - 4)

What does 10 x 5 equal?

The peak of mount Everest is at 8,848 meters above sea level.