People have also made huge changes to other natural vegetation regions. ... As you read in Chapter 2, human activities are contributing to climate change. Changes in climate are causing changes in vegetation patterns around the world. For example, rising temperatures are causing many plant species to migrate.
The correct answer is - B. 9%.
The United States, even though are one of the biggest investors in the development of usage of renewable energy, are still not very willing to use them as much and are mostly sticking to the nonrenewable energy resources. This is mainly due to the economic factor, and the United States are not a country that accepts any downfall in its economy, especially not if it doesn't have to. This also causes a lot of controversy because it is damaging the environment, and while lots of developed countries are focusing on the usage of the renewable energy resources, the United States refuse to do so even though they are one of the two biggest polluters in the world.
