Which best describes what happens when a person sees a blue ball? . . a.. human eyes reflect blue light back to the ball.. . b.. the ball radiates all colors of light except blue to human eyes.. . c.. blue light reflected from the ball enters human eyes.. . d.. the ball absorbs blue light from human eyes.

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u. s. fish and wildlife service

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.