Answer:
In 1846, the Oregon boundary dispute between the U.S. and Britain was settled with the signing of the Oregon Treaty. The British gained sole possession of the land north of the 49th parallel and all of Vancouver Island, with the United States receiving the territory south of that line.
Explanation:
Answer:
I think its mountains.
Explanation:
Hope this helped and tell me if I got it right:)
Answer:
i.Use of fossil fuels
ii.use of limestones
Explanation:
Burning of fossil fuel contribute in excessive transfer of carbon to the environment. it helps plants to grow but it makes the water acidic causing human health and aquatic life in danger. It is prevnting ozone from depleting near pole by blocking nitrogen oxide to break oxygen molecules.
mining of lime stone causes its particles mix in the environment which deplets the quality of water and diminish biodiversity of both land and water causing reduction of aquatic life and degredation of agricultural field
i think it may help!
because of urgency i couldn't give more points sorry!
B) After ruling Europe several centuries, the Roman Empire collapses is not a continuity.