(4) D and E are products of digestion
The two muscles of mastication that that are involved in closing of the mandible are the masseter and pterygoid muscles.
Actually, three muscles that work together are involved in movement of the mandible: Temporalis, Masseter and Pterygoid Muscles.
Temporalis muscle - assists in closing the mouth and moving the mouth from side to side during the chewing.
Masseter muscle- the main chewing muscle and one of the strongest muscles in the body.
Pterygoid muscles- with the Masseter muscle to assist in the chewing action and jaw rotation.
Actually make does not do any meiosis in his life ! gametes are produced via mitosis ! so the ploidy level is maintained ie haploid !
Answer:
The correct answer is - water contamination.
Explanation:
Water contamination is a form of water pollution in which water is contaminated or polluted with several microorganisms and pathogens by industrial waste, sewage, animal waste.
It is contaminated when rainwater runoffs from agricultural farms, industrial and sewage dump that brings toxins, wastes, and fertilizers to the water body that help bacteria to multiply and infect the people who come in touch with it.