This topic contains a solution. Click here to go to the answer

Author Question: Why is the Grand Canyon an interesting landmark A) It is the smallest canyon in the world. B) It ... (Read 168 times)

ARLKQ

  • Hero Member
  • *****
  • Posts: 571
Why is the Grand Canyon an interesting landmark
 
  A) It is the smallest canyon in the world.
  B) It was created through a meteorite impact.
  C) Thousands of dinosaur fossils have been found there.
  D) It is a gorge that was eroded by a river about 1.7 billion years old and is about 1700 m deep.

Question 2

About a half of the United states energy comes from coal. Why could that be a problem?
 
  A) Coal emits high CO2 concentrations.
  B) Coal is very rare.
  C) Coal is very expensive.
  D) Coal is not found in the U.S., therefore we are dependent on foreign countries for our energy.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momo1250

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A




ARLKQ

  • Member
  • Posts: 571
Reply 2 on: Jul 16, 2018
:D TYSM


JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

For a complete list of videos, visit our video library