Answer:
3. by studying plants and animals
Explanation:
Bringing harmful plants causes harm to the other species living there.
Destroying a lot of trees takes away a lot of homes from animals.
If you're just studying them no harm is being done.
Using pesticides can cause negative effects to the plants and animals who eat them.
Answer:
slavery and workers rights
Explanation:
Is there more to this question if not I can figure it out
Answer:
The good sportsman respects both his teammates and his opponents as equals.
