Fossil fuels are used in many ways. Using the Gizmo, describe the main use for each fuel. Coal:

Petroleum:

Natural Gas:

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

Which describes a grizzly bear’s habitat?