Answer:
Students are feeling the effects of Jaylen's anti-bullying campaign.
A plural noun indicates that there is more than one of that noun (while a singular noun indicates that there is just one of the noun). ... Regular plurals follow this rule (and other similar rules), but irregular plurals are, well, not regular and don't follow a “standard” rule.
Directed panspermia is a speculative hypothesis about the origin of life on Earth. This hypothesis is a very specific sub-division of a broad group of related ideas. “Exogenesis” is a term referring to the general hypothesis that earth life originated somewhere other than Earth, such as another planet.
<span>the profit you make when you sell a house.
the actual definition describes any type of profit, not just real estate.</span>
The topic sentence is the starting sentence and what you’re talking about