Question

1. Describe the differences and similarities in how coal, oil, and natural gas formed.

2. Describe what an oil sand is and explain the advantages and disadvantages associated with its use and extraction.
3.Explain why a nuclear chain reaction is self-sustaining.
4. What is the most widely accepted model of how the solar system formed? Explain how the solar system formed under this model.

Answer 1

1.Similarities : They are both formed from organic remains and both form under enormous pressures in a sedimentary sequence. Differences:Coal is formed from land based plants in Bogs and coastal swamps, while oil and gas are derived from tiny marine organisms such as algae and phytoplankton.