30% less carbon dioxide in Alaska air or atmosphere.<span />
<span>Owed that it mayoría de personas migrated from Asia</span>
Explanation:
Natural population change is the difference between the number of live births and deaths during a given time period (usually one year). Natural population decrease is the opposite, a negative natural change, when number of deaths exceeds the number of births.
Answer: The dam traps sediments that previously had been carried downstream
Explanation: Due to the presence of a barrier(dam) sediments carried by the river colorado are being trapped.