Bio 102 gleeson Based purely on our understanding of planet formation in this solar system, we would EXPECT earth’s atmosphere to have very high levels of , fairly low levels of , and extremely low (or even zero) levels of .

The chart shows four articles read by the students in a science class

The type of cloud shown here may produce heavy rainfall. this type of cloud most likely occurs in an area of the sub-saharan that is a) often dry. b) often wet. eliminate c) very windy. d) usually cool.

Greg goes to a high school and observes the way students talk to each other. he makes notes on the words used, the atmosphere of the school and the way the students present themselves to each other. this is an example of a( research method.