This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: During the Hadean Eon, life A) could have existed and survived regardless of impacts B) may have ... (Read 10 times)

rmenurse

  • Hero Member
  • *****
  • Posts: 513
on: Jul 27, 2018
During the Hadean Eon, life
 
  A) could have existed and survived regardless of impacts
  B) may have existed but probably could not have survived for long periods due to sterilizing impacts
  C) probably survived and existed until the end of the Hadean eon after which it was destroyed
  D) could not have existed at all

Question 2

Electromagnetic radiation of wavelength 200. nanometers is which type?
 
  A) X-rays
  B) ultraviolet
  C) microwaves
  D) AM radio
  E) visible


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yifu223

  • Sr. Member
  • ****
  • Posts: 302
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


rmenurse

  • Hero Member
  • *****
  • Posts: 513
Reply #2 on: Jul 27, 2018
TY


yifu223

  • Sr. Member
  • ****
  • Posts: 302
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

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?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment. Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment.
The Scale of Life The Scale of Life
How to solve all of life's problems How to solve all of life's problems
W. A. Rogers’s engraving, “Out of the Game,” showed one injured boy tending to another. It appeared W. A. Rogers’s engraving, “Out of the Game,” showed one injured boy tending to another. It appeared
Life cycle of a conifer (pine) Life cycle of a conifer (pine)
The lytic and lysogenic life cycles of a temperate bacteriophage The lytic and lysogenic life cycles of a temperate bacteriophage
Video: Krebs cycle : Formation of acetyl coenzyme A and Electron transport chain

For a complete list of videos, visit our video library