Which of the following is the term used to describe the chill-point at which a plant may survive, but will grow little if at all? •Tmin
•zero degrees
•base temperature
•frost point

Suppose you are estimating the size of a blue crab population. what is the population size if the number marked in the first catch is 40, the total number in the second catch is 200, and the number marked in the second catch is 50?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Use the numbers to place the companies in order of greatest comparative advantage to least comparative advantage in producing large tubes of toothpaste.