« previous next »

Author Question: The Earth has functioned as a life-supporting self-sustaining system for over 8 billion years. ... (Read 28 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
on: Jul 15, 2018
The Earth has functioned as a life-supporting self-sustaining system for over 8 billion years. Indicate whether the statement is true or false.

Question 2

Students do not need to be concerned with environmental geology problems because they are all global
  in scale. Indicate whether the statement is true or false.



meow1234

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 15, 2018
Answer to Question 1

F

Answer to Question 2

F


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth
The central and peripheral nervous system The central and peripheral nervous system
Major components and functions of the nervous system. Major components and functions of the nervous system.
Formation of the Early Earth Formation of the Early Earth
Relative Sizes of Dwarf Planets and Earth Relative Sizes of Dwarf Planets and Earth
Time Line for Life’s Origin and Evolution Time Line for Life’s Origin and Evolution
Video: Cerebral Cortex Animation

For a complete list of videos, visit our video library