Answer:
The basic reproduction number
Explanation:
<em>It izz wat it izzzz!!!</em>
Answer:
Food chains are a pictorial description of an ecosystem: what eats what. This helps scientists track the web of interdependence. If one important component in a chain is removed or affected, we can make predictions about how this might impact the entire ecosystem. We can track the effects of disruptions on a system.
Mastication, or chewing, is a form of mechanical digestion that increases the surface area of foods prior to chemical digestion.
Cell membrane is the answer!
B) 60° north latitude and 0° longitude
