Why is it important to keep the chicks' water dish clean? Choose two that apply. A. Viruses using the water as a host could harm the chicks. B. Bacteria from the water could make the chicks sick. C. The chicks could ingest parasitic protists. D. The chicks might come in contact with decomposing fungi.

B. Bacteria from the water could make the chicks sick.

Explanation:

Sufficient, clean water is important for chick's quality of life. Plenty, hygenic water implies that chickens stay healthy by clean water. This makes chick avoid water borne (unhealthy water) based diseases. Eg : Water borne Bacterial infections that can make chick sick.

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.