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

Author Question: It is believed that the planet Mars has a much thicker carbon dioxide atmosphere in the past than it ... (Read 104 times)

jenna1

  • Hero Member
  • *****
  • Posts: 568
on: Jul 27, 2018
It is believed that the planet Mars has a much thicker carbon dioxide atmosphere in the past than it does today. Where the bulk of this carbon dioxide go?
 
  A) it reacted with surface rocks
  B) it condensed to form the polar caps
  C) it was destroyed in the atmosphere through chemical reactions
  D) it was lost into space

Question 2

Each of the following describes an Atom 1 and an Atom 2. In which case are the two atoms isotopes of each other?
 
  A) Atom 1: nucleus with 6 protons and 8 neutrons, surrounded by 6 electrons
  Atom 2: nucleus with 7 protons and 8 neutrons, surrounded by 7 electrons
  B) Atom 1: nucleus with 8 protons and 8 neutrons, surrounded by 8 electrons
  Atom 2: nucleus with 8 protons and 8 neutrons, surrounded by 7 electrons
  C) Atom 1: nucleus with 92 protons and 143 neutrons, surrounded by 92 electrons
  Atom 2: nucleus with 92 protons and 146 neutrons, surrounded by 92 electrons
  D) Atom 1: nucleus with 1 proton and 0 neutrons, surrounded by 1 electron
  Atom 2: nucleus with 2 protons and 2 neutrons, surrounded by 2 electrons
  E) Atom 1: nucleus with 4 protons and 5 neutrons, surrounded by 4 electrons
  Atom 2: nucleus with 5 protons and 5 neutrons, surrounded by 4 electrons


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

babybsemail

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


jenna1

  • Member
  • Posts: 568
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Titan's dense atmosphere shrouds the moon beneath a tan haze in this image. Titan's dense atmosphere shrouds the moon beneath a tan haze in this image.
Planet George Planet George
Why did these young volunteers of the First Virginia Militia join the Confederate army in 1861? “It Why did these young volunteers of the First Virginia Militia join the Confederate army in 1861? “It
Over the past four decades, the self-reported health of married men and women has remained high, ... Over the past four decades, the self-reported health of married men and women has remained high, ...
Past Vegetation Past Vegetation
Earth Atmosphere Earth Atmosphere
Video: Spermatogenesis Animation

For a complete list of videos, visit our video library