Within the capillaries of the lungs, gases are exchanged by diffusion; oxygen diffuses from the to the and carbon dioxide diffuses from the to

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

Vinegar has a ph of 3, and household ammonia has a ph of 11. is the concentration of h+ greatest in the vinegar or ammonia?

Why should organisms reproduce more offspring than will survive? select all that apply.