Khi xây trụ cầu giữa
lòng sông thì ảnh hưởng như thế nào đến hoạt động địa chất của dòng sông?

Ibelieve it is- a mixed economy offers some protection for consumer rights but still allows a good deal of choice.

Dwould be tehr correct answer

Poaching of all these specific species

Answer is b)eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in the increased production of plant life and the subsequent decrease in the oxygen levels of the watereutrophication occurs when there are excess nutrients in a body of water. this results in plants having more food and reproducing  more, sometimes leading to more aquatic animal life as well. ultimately, this can reduce the oxygen level in the ecosystem.