Author Question: What is the one piece of evidence that suggests that the dinosaurs were made extinct by the impact ... (Read 62 times)

karlynnae

  • Hero Member
  • *****
  • Posts: 599
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
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

For a complete list of videos, visit our video library