Author Question: The world has enough coal to last more than 400 years at present rates of consumption. Indicate ... (Read 46 times)

savannahhooper

  • Hero Member
  • *****
  • Posts: 576
The world has enough coal to last more than 400 years at present rates of consumption.
 
  Indicate whether the statement is true or false.

Question 2

When sewage is added to a river, one effect is an increase in dissolved oxygen levels.
 
  Indicate whether the statement is true or false.



adf223

  • Sr. Member
  • ****
  • Posts: 304
Answer to Question 1

Answer: TRUE

Answer to Question 2

Answer: FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

For a complete list of videos, visit our video library