Author Question: Archaeopteryx fossils are those of a prehistoric a. bird. b. crinoid. c. trilobite. d. ground ... (Read 45 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
Archaeopteryx fossils are those of a prehistoric
 a. bird.
  b. crinoid.
  c. trilobite.
  d. ground sloth.

Question 2

The K-T impact is thought to have occurred at what site?
 a. Iridium
  b. Chicxulub
  c. Gubbio
  d. Alvarez



Jane

  • Sr. Member
  • ****
  • Posts: 309
Answer to Question 1

a

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

For a complete list of videos, visit our video library