Three students test the effect of fertilizer on bean plant growth. Each student conducts one trial. They plant 10 bean seeds in each of the three large pots of soil with different amounts of fertilizer. After two weeks, they measure the heights of the plant in each pot. Then they find the average height for each amount of fertilizer. The table summarizes the results of the experiment. Which statement describes a pattern shown in the data?

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

Due tonight 10 points will mark brain