A chronic disorder of joints in which the articular cartilages degenerate and bony spurs form is.

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

my teacher would say no s

the answer you are looking for is the united states forest service.

hope this !