Human activities are increasing the amount of carbon dioxide in the environment. The harmful gases released from the automobiles and factories release huge amount of carbon dioxide into the atmosphere.
The carbon dioxide from the environment gets diffused into the ocean and leads to increase in the level of carbon in water.
Ocean acidification has destroyed the shells of aquatic animals and also leads to coral bleaching.
By breeding a certain breed of chicken with a different kind of chicken may produce different sized eggs and avoid the possibility of inbreeding depression
