1. A stream dries up. Did the water in the stream: a. gain energy

b. loose eergy

c. keep the same amount of energy

d. never had energy

Explain your answer.''

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

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

What type of plant is good for a bioassay and where can i buy it? i only have a month.