What happens when the thermal energy of a subtance increases?
1. the motion of the particles in the substance increases, and the temperature of the substance decreases.
2. the motion of the particles in the substance decreases, and the temperature of the substance increases.
3. both the motion of the particles in the substance and the temperature of the substance decrease.
4. both the motion of the particles in the substance and the temperature of the substance increase.

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

In the practice of science, this type of reasoning is used to develop explanations.