Harvesting timber (wood) from a forest does not harm a. soil b. wildlife habitat c. animals d. none of the above

The correct answer is option D, none of the above

Explanation:

Timber is harvested from the trees which are cut down. Loss of trees is harmful to soil, animals and wildlife habitat in the following ways –

a)Soils – when trees are cut down, the soil become loose and thus it can be easily eroded by the water and wind .

b)Wildlife habitat – Several birds, insects and other wildlife have their habitat on trees. Thus, cutting a tree causes destruction of habitat of all these organisms.

c)Animal – Animals depend on trees either for food or habitat. They also suffer when trees are cut down.  

Therefore, option D is the only correct answer.

passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.

so, according to what that says, i believe it's hypertonic and hypotonic.

good luck!