(Q).
If decreased oxygen levels cause blood vessels to dilate and cell walls to relax, then what causes cell walls to relax? Answer choices: - exercise - sweating - adding heat - Energy - dilation - heat or cold - heat - Dehydration
(A).
dilation

(Q).
If liquid waste can be acidic, then what can liquid waste be? Answer choices: - gas - Gaseous - Solid - Acidic - acid rain - expelled - Static - dangerous
(A).
Acidic

(Q).
If cells contain genetic instructions, then what contains genetic instructions? Answer choices: - cells - cows - Oak - embryos - pollen - Flowers - seeds - legumes
(A).
cells