A test tube is filled with water and a green plant called elodea. When the plant is exposed to sunlight, it begins to produce bubbles. Which of the following is the most likely conclusion for the identity of the gas in the
bubbles? *

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

Suppose you use three different scale to weigh a bag of oranges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of oranges is 2.153 lb. which of the following best decribes these results?

If there are 350 trout found in 200 square feet of a pond measuring 1000 square feet what is the estimated trout population of the pond? a. 1350 b. 1550 c. 1750 d. 2000