All except number 2. Hope this helps!
Increasing cloud cover, since it’ll block off any sunlight
Answer:
depende de que animal y de que especie pertenezca,si es un animal en peligro de extincion pues si reduciria y si no es de especie de peligro de extincion no reduciria porque se reproducirian facilemente
4 is true I learned that the hard way
Because evolution occurs when something happens, and the organism needs to adapt. Events aren't fixed, and they're definitely not random either