2 Describe Your class has taken a field trip to a local stream. You notice that the rocks in
the water are rounded and smooth. Write a
brief description of how you think the rocks
changed over time.

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

Ain is , is 's of ? 0.62 0.79 1.27 1.50

One number is said to be an "order of magnitude" larger than another number if choose one: a. it is 10 times larger. b. it is 5 times larger. c. it is 3 times larger. d. it is 100 times larger. e. it is 2 times larger.