The threat of places some plants and animals on the endangered species list.

a. extinction
b. nuclear
c. overpopulation
d. global
e. warming
f. war

extinction

Explanation:

I got it right on my assignment

d is the answer. leo should include the source.

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.