Are you talking about the guns because if you are it is making people kill more animals due to hunting which is caused by most americans.
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.
The amount of heat they are exposed to has a lot to do with the inferences and observations that they make on the density of the earth's core. The inner core is the most compact due to the fact that they have a lot of direct exposure to heat and the gravity of the earth pressung down on it. The inner core is less subjected to those conditions.
The answer is D! Hope that helped
Heat- the total energy of all the molecular motion inside a particular object.
Temperature- the average heat of the molecules inside a particular substance.
Have a BEAUTIFUL day~
☆ Dont forget to mark brainliest ☆