A subcontinent I believe.<span />
Answer:
B. All of these are drivers
Explanation:
The populations of lot of amphibians, with rare exceptions, are constantly on the decline around the world. The main reason behind this is the human activity, as it has caused lot of changes, pollution, and dangers for the amphibian populations, which has led lot of amphibians to be on the verge of extinction.
The pollution, especially of the waters, has been a major factor for the decline of the amphibian population. Lot of very toxic chemicals have made the water unsuitable for living and poisonous, which systematically killed off the amphibian populations.
The habitat loss, as with any other group of animals, has left the amphibians without places to live. They have been left without their shelters, food sources, mating grounds, and they have started to die out.
The invasive species, especially the predatory ones, have also had big negative impact. The amphibians didn't had any defense mechanism against the introduced predators, so they were easy prey and their numbers rapidly went down.
Alaska, Delaware, Montana, North Dakota, South Dakota, Vermont, And Wyoming.
Construction of the Erie Canal led to building new new cities along with the shores of the Great Lakes.
Answer: Option C
<u>Explanation:</u>
Erie canal is one of the most important trade routes in the city of New York and almost all the cities in New York are near this trade route of Erie Canal and these cities took a lot of benefits from this trade route.
This led to the decrease in the cost of the transportation of goods from one place to another and also increased the trade between places. This also led to increase in the employment opportunities of these places but the exception in this case were Binghamton and Elmira.
