<span>The answer is d. front. A front is the narrow region between two air masses of different densities. The interaction of the air masses cause the mass that is less dense to rise. Once air rises it cools and condenses to form clouds and eventually leads to precipitation. Using cold fronts as an example, the denser mass of cold air forces the lighter warm air to rise. </span>
The answer is d ...the number of organisms an ecosystem can support
Answer:
Secondary consumers include owls, bears, lions and humans – along with many other organisms, and can be considered the predators in a given ecosystem. Many secondary consumers are carnivores, some of which are eaten by tertiary consumers.
Viral drugs are prescription medicines <span>used for treating viral infections (viruses) rather than bacterial ones. These medications can be only bought with </span><span>a prescription from your doctor </span><span>
It is difficult to attain good selective toxicity with antiviral drugs because of the fact that </span>viruses require host cells to replicate themselves.
