<span>Which of the following has been a contemporary concern in northwestern China?
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</span>Answer: Of the options available the one that has been a contemporary concern in northwestern China is answer choice A) Ethnic Conflicts.
I hope it helps, Regards. <span>
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I think one of the statement here is erroneously written since A and B is the same statement. It should be that one choice is that "<span>Saltwater freezes at a lower temperature" and this is the correct answer. Saltwater experiences a freezing point depression due to the salt in the solution.</span>
The number of minnows would increase.
Hope this helps!
ANSWER IS:
A. Artificial translocation of organisms
B. Physical removal of organisms
D. Habitation modification
EXPLANATION:
Natural distributions of biomes are often severely modified by human activities through physical removal, habitat modification and artificial translocation of organisms.
Humans can alter natural distribution patterns astonishingly quickly
Artificial translocation of organisms :
It leads to introduction of exotic species that have an effect on crops and pets
Physical removal of organisms :
Physically organisms are removed by modification of landscape for civilization. It effects overall distribution patterns.
Habitat modification :
Habitat is the natural environment where an organism lives. Human activities are responsible for the alterations in the habitat of many organisms that leads to their extinction.
For example, because of tropical rain forest removal it leads to loss of 27 million acres of rain forest per year.
Ecosystem can also effects from rain forest removal. Biodiversity lost through extinction.
