Answer:
The Schwarzschild radius (sometimes historically referred to as the gravitational radius) is a physical parameter that shows up in the Schwarzschild solution to Einstein's field equations, corresponding to the radius defining the event horizon of a Schwarzschild black hole
Explanation:
The Schwarzschild radius define the “size” of a black hole. Theorists believe that all the “stuff” inside a black hole collapses into a singularity, an infinitely small and infinitely dense point well inside the boundary defined by the Schwarzschild radius.
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Answer:
If sea Urchins no longer existed, reefs will die due to overwhelming amounts of algae, kelp, and seaweed. If the sea urchin population ceased to exist, their predators will die off due to starvation. For example, the sea otter will go extinct because their main source of food is sea urchins
Explanation:
Answer;
The above statement is false.
Explanation;
-CNS nerve fibers do not regenerate because of the actions of Schwann cells.
-PNS nerve fibers regenerate because of the actions of Schwann cells, but Not CNS nerve fibers.
-Nerve Fibers are slender processes of neurons, including the axons and their glial envelopes (myelin sheath). They conduct nerve impulses to and from the central nervous system.
Interferons help other cells resist the infection of viruses. They prevent the synthesis of a virus's proteins in infected cells and help block the virus from reproducing (replicating itself). This slows down the process of the infection <span>and gives the immune system time to respond to the virus.</span>