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

Author Question: Why is the molten metallic core of Earth necessary for life to exist? What will be an ideal ... (Read 184 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
Why is the molten metallic core of Earth necessary for life to exist?
 
  What will be an ideal response?

Question 2

The flowering plants that developed during the Cenozoic were gymnosperms.
 
  Indicate whether this statement is true or false.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cadimas

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

Answer: Molten iron convects in the core, which generates the magnetic field of the planet. The magnetic field protects Earth from lethal cosmic rays.

Answer to Question 2

Answer: FALSE




melly21297

  • Member
  • Posts: 565
Reply 2 on: Jul 15, 2018
Gracias!


scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

For a complete list of videos, visit our video library