because...
They might, they might not. They don't exist, so we don't know whether they affect human beings, and, if they do, how they affect human beings.
because they might help you in ur sexual activitys
It affects plants and animals because they might not have food or something like that during certain seasons.
gets in your eyes and distorts vision, might even destroy your retina
Tornadoes mainly affect human habitats by damaging and destroying homes.
It affects human activities because when it is hot you go to the beach and when it snows you have snowball fights and sometimes don't have school.
if there is too less population then the natural population will increase and there might be an end to the human population.
Managers generally use forecasting to determine human resource needs. This helps them prepare for busy seasons like holidays when they will need more people.
If a plant cell lacked chloroplasts, then it would compare to "a human without a heart"
A medical procedure that stops fertilityAny new medical advances that prolong life
The human environment varies widely in different countries.A social scientist might call a person's home the individual's "human environment".Humans interact with and affect the human environment no matter where they live.
The differences of the seasons would scarcely be detectable.