Which of the following amendments might you choose to improve the overall quality of the soil in the following scenario? The soil in a garden is loamy, with a high organic content. On testing, the soil is sour, with a low pH of 4. You wish to grow lilacs, which
prefer a more alkaline soil.

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.