1. Think about what you know about fossils. Using this knowledge, how do you think fossil fuels were formed?
A. Trees were cut down and heated.
B. Ancient plants and animals changed over time.
C. Rocks were broken down by wind and water.
D. Layers of sediment piled up and hardened.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

What are the ingredients of oobleck?