Write 8 examples on possible hazard in raising four-legged animals and fish

The below are following hazards of four-legged animals and fish.

Explanation:

The four legged animals like cats, dogs, horse, and others need proper shelter, food, and care to survive.

They need to be taken outdoors for excretion, and walk.

The mating period is not fix and not easily done.

The four like fishes like turtle and squid are difficult to be handled in aquarium.

The four legged fishes do not come in fishing net during aquarium cleaning.

There are chances of being biten by four legged animals and their associated diseases like rabies.

These animals can lick the food we eat and contaminate the food.

The animal feces may produce air pollution.

The animal noise like dog bark can cause noise pollution.  Thus can lead to problem of hypertension.

explanation:

the universal gravitation equation. since the gravitational force is directly proportional to the mass of both interacting objects, more massive objects will attract each other with a greater gravitational force. if the mass of one of the objects is doubled, then the force of gravity between them is doubled.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.