Answer:
Gasoline, paint, radioactive waste, pesticides, mercury, lead oil, and battery acid.
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Answer:
Chordates share some common traits. At some point in their life cycle, they have a notochord, a nerve cord, and pharyngeal (fayr uhn JEE uhl) slits in the neck or throat. The notochord is a flexible rod that supports the animal's back. ... Sharks are one type of vertebrate animal that have backbones made of cartilage.
Answer:
The respiratory system enables oxygen to enter the body and carbon dioxide to leave the body.
Soil is made up of four major components.
- 25% of water
- 25% of air
- 45% of rock particles
- 5% of leaves