The la brea tar pits are
a. a valuable source of petroleum
b. filled with tar made from mammals
c. filled with asphalt
d. a and b only

The La Brea Tar Pits are filled with asphalt. They are a group of tar pits. There is natural asphalt that has seeped up from the ground for tens of thousands of years. This is where many remains of prehistoric creatures were found. This animals got stuck in this pools of asphalt.

C. Filled with asphalt

I hope this helps, Regards.

the answer is c) abandoned properties that are contaminated with hazardous materials.

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.