It's A. Primary succession :) because Human economics and ecology are linked together because human economics utilizes the ecosystem and the natural resources in older for economics to actually exist. :)))))))
Answer:
the salt dehydrate the food
Ammonia, drain cleaner, baking soda, chalk, toothpaste, Windex, bleach, laundry detergent, shampoo, and egg whites (household base)
I hope this helps if not I’m sorry
I would say D and A are your answers :)