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

Author Question: Why does the Earth's atmosphere contain much more nitrogen than hydrogen? What will be an ideal ... (Read 74 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
on: Jul 27, 2018
Why does the Earth's atmosphere contain much more nitrogen than hydrogen?
 
  What will be an ideal response?

Question 2

If the hypothesis tracing the extinction of the dinosaurs to an impact is correct, the dinosaurs died off largely because ________.
 
  A) the impact caused massive earthquakes worldwide
  B) radiation from iridium in the asteroid caused the dinosaurs to die of cancer
  C) of global climate effects initiated by dust and smoke that entered the atmosphere after the impact
  D) of injuries suffered from direct hits of pieces of the asteroid or comet


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ilianabrrr

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

Heavier nitrogen can be retained by our gravity, whereas lighter hydrogen leaks away into space, because its average molecular speed at the Earth's temperature exceeds the Earth's escape velocity.

Answer to Question 2

C


kfurse

  • Member
  • Posts: 590
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

Bigfoot1984

  • Member
  • Posts: 321
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

A Prototype Hydrogen Fuel Cell Car A Prototype Hydrogen Fuel Cell Car
Effects of Earth’s Changing Orientation: Solar Angle Effects of Earth’s Changing Orientation: Solar Angle
Earth-Sun Relationships Earth-Sun Relationships
Liquid Water Properties compared with n-pentane, nonpolar, non-hydrogen bonding liquid Liquid Water Properties compared with n-pentane, nonpolar, non-hydrogen bonding liquid
The Oceans of Earth The Oceans of Earth
Earth’s tilt and yearly rotation around the sun cause seasonal effects. The 23° tilt of Earth’s ... Earth’s tilt and yearly rotation around the sun cause seasonal effects. The 23° tilt of Earth’s ...
Video: Structures that affect circulation - heart and MABP

For a complete list of videos, visit our video library