B the I think the answer is b
<span>One
type of proposed land conservation is identifying watersheds across Texas state
where it is feasible to implement brush control in order to enhance public water supplies.
This is aimed at enhancing water yield, conserve water lost to
evapotranspiration, recharge ground water and aquifers etc.</span>
People often use the term “Third World” as shorthand for poor or developing nations. By contrast, wealthier countries such as the United States and the nations of Western Europe are described as being part of the “First World.” <span>Most Third </span>World countries<span> are former colonies. Having gained independence, many of these </span>countries<span>, especially smaller ones, were faced with the challenges of </span>nation<span>- and institution-building on their own for the </span>first<span> time. Due to this common background, many of these </span>nations<span> were "</span>developing<span>" .
Hope this helps!</span>
