Answer:
mark as brainiest please
Explanation:
Agricultural Activities
mining
urbanisation
illegal longing
forest fires
Natural causes as hurricanes, fires, parasites and floods.
Quick answer: Food enters the human digestive system through the mouth before then moving through the pharynx, esophagus, stomach, intestines, rectum and anus.
reproductive cells like eggs and sperm
Mutation can cause instant adaptation while natural selection is the process by which adaptation occurs over a series of generations.
