In comparison to light crude oil, which of the following statements is NOT true with respect to heavy crude oil?
1) heavy crude oil is more difficult to extract
2) most of the remaining oil reserves consist of heavier crudes.
3) oil companies prefer heavy crude oil because it is more profitable.
4 refining heavy crude oil is more expensive.
5) heavy crude oil is more viscous.

The chemical form of energy that is useable by the cell to do work

Diagram of the evolution of land plants?

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas