Explanation:
(a) (i) Renewable natural resources
Materials that can be reused/replaced/ regenerated/recycled; after they have been used
(ii) Non-renewable natural resources
Materials that are difficult/impossible to regenerate/ recycled; after being exhausted/depleted.
(b) (i) Renewable natural resources
Air; soil; crops; fisheries; water; vegetation/forest; game/wildlife.
(ii) Non-Renewable natural resources Rocks; coal; minerals/correctly named example; crude oil/petroleum.
(c) Ways of conserving forest

Prevent forest/bush fires
Practice selective cutting of trees/avoid indiscriminate felling of trees
Regulations/laws to control excessive clearing of forest
Employ forest guards to prevent/arrest intruders
Use pesticides to kill pests/control plant diseases
Embark on public education on dangers of deforestation.

(d) Effects of adding animal manure to garden soil

Animal manure provides nutrients/nitrogenous materials /improves soil fertility
Animal manure are acted upon by nitrifying bacteria
To form nitrates for plants
Manure improves the water-holding properties of the soil by binding the soil particles together/ improves soil structure
Prevents soil from being blown away by wind/erosion

(e) Possible genotypes in humans
AA, AS, SS