« previous next »

Author Question: What is the one piece of evidence that suggests that the dinosaurs were made extinct by the impact ... (Read 88 times)

karlynnae

  • Hero Member
  • *****
  • Posts: 599
on: Jul 27, 2018
What is the one piece of evidence that suggests that the dinosaurs were made extinct by the impact of an asteroid 65 million years ago?
 
  A) the crater from this impact can still be seen in the deserts of Arizona
  B) a layer of sediment laid down at that time contains grains of shocked quartz, solidified rock droplets, and soot from global wildfires
  C) a layer of sediment laid down at that time is littered with dinosaur fossils
  D) dinosaur fossils are found in rock layers older than 65 million years but not younger than 65 million years

Question 2

Given 1 angstrom unit = 10-10 m and 1 fermi = 10-15 m , what is the relationship between these units?
 
  A) 1 angstrom = 10+5 fermi
  B) 1 angstrom = 10-5 fermi
  C) 1 angstrom = 10-25 fermi
  D) 1 angstrom = 10+25 fermi
  E) none of the given answers


ally

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

A classification system for living and extinct organisms. A classification system for living and extinct organisms.
California ground squirrel (Spermophilus beecheyi) in the man-made rocky shoreline of the Berkeley M California ground squirrel (Spermophilus beecheyi) in the man-made rocky shoreline of the Berkeley M
The impact of climate change on natural ecosystems The impact of climate change on natural ecosystems
Structure of a Sterol Rather than being made from fatty acids Structure of a Sterol Rather than being made from fatty acids
Experimentally acquired evidence for gene annotation Experimentally acquired evidence for gene annotation
Piece Wise & Abroad - Bloom Piece Wise & Abroad - Bloom
Video: Immune responses Animation

For a complete list of videos, visit our video library