The piece of land where a river meets a sea is called a delta. Sediments, which are carried along with the river, are continuously deposited at the mouth of the river. Which of the following natural resources is most likely plentiful at deltas?
A.
metal ores
B.
petroleum
C.
fertile soil
D.
coal

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

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?

Which pair of sentences is describing the same velocity? a. a car is parked. a car is moving in circles. b. a bus drives 40 miles per hour north. a truck drives 50 miles per hour north. c. a boy walks east at 6 kilometers per hour. a girl walks west at the same speed as the boy. d. valerie rides her bike south at 8 kilometers per hour. owen jogs south at 8 kilometers per hour.