Mastication is just a fancy way to say chewing. Since nothing chemical is going on and the food is just being chewed, the answer is physical.
Chromosome replication must occur for the process to continue.
well, there are a few meanings...
1. the area of variation between upper and lower limits on a particular scale.
2. a set of different things of the same general type.
Answer:
plss mark me as BRAINLIEST
Explanation:
Human activities have greatly increased carbon dioxide levels in the atmosphere and nitrogen levels in the biosphere. Altered biogeochemical cycles combined with climate change increase the vulnerability of biodiversity, food security, human health, and water quality to a changing climate.
Answer:
nose,mouth,and eyes are 3 ways pathogens can enter the body
