1. We need water for drinking, bathing, and growing crops. But we cannot use most
of Earth's water because it is
A deep underground
B frozen in ice caps
C too salty
OD in the atmosphere as water vapor

The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?