b. Environmental problems such as air and water pollution are causing natural resources like fossil fuels and lumber sources to disappear.
The most powerful States, specifically Canada and the United States, are competing because of the decline in the sources of fossil fuel and increase in the energy demands.
The countries are trying hard to preserve and secure the nonrenewable sources around the world which are on the verge of depletion. Not only the overuse of the resources is responsible for their extinction, but the harmful effects of the pollution is adding into the problem.
However eforts are being made by the United States and Canada to manage and enhance their energy security by using renewable energy sources.
B. street crime usually occurs in public; white-collar crime usually occurs in private.
Shipping waterway is not a human use of wetlands. The correct option among all the options that are given in the question is option "d". Most of the wetlands that are present cannot be used as shipping waterway. Petroleum exploration is also not allowed in wetlands in most of the places due to chance of pollution, but some countries have allowed it.
The correct answer is letter A. At a party, it's sometimes permissible for serving personnel to <span>smoke, provided they don't do so in view of the guests. There are designated areas where people are allowed to smoke because we can not really deny and avoid that there are people who really wanted to smoke.</span>
