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

Author Question: Atoms are held together by A) the electrostatic force of attraction between the protons in the ... (Read 85 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
Atoms are held together by
 
  A) the electrostatic force of attraction between the protons in the nucleus and the surrounding electrons
  B) the combined electrostatic force of attraction between the protons and neutrons in the nucleus and the surrounding electrons
  C) the force of gravitational attraction between the protons in the nucleus and the surrounding electrons
  D) the electrostatic force of attraction between the neutrons in the nucleus and the surrounding electrons

Question 2

Carbon isotope evidence from rocks found on an island off the coast of Greenland, although controversial, suggests that life may have
 
  A) existed and was well established by3.4 to 3.5 billion years ago
  B) originated about 3.4 billion years ago
  C) existed 3.85 billion years ago
  D) originated when the Earth formed 4.6 billion years ago



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akemokai

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

A

Answer to Question 2

C




eruditmonkey@yahoo.com

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
:D TYSM


vickyvicksss

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

For a complete list of videos, visit our video library