Which of the following is a plant structure that aids in water retention? A) Cellulose
B) Cuticle
C) Vascular tissue
D) Cell wall

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

What is responsible for the uneven heating between the poles and the equator on any given day

What materials must dams have to produce electricity, and what must occur?