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

Author Question: The primitive earth's atmosphere did NOT contain (Read 73 times)

mckennatimberlake

  • Hero Member
  • *****
  • Posts: 559

Question 1

The primates first arose about how many million years ago?
◦ 75
◦ 60
◦ 50
◦ 40
◦ 30

Question 2

The primitive earth's atmosphere did NOT contain
◦ water vapor.
◦ free nitrogen.
◦ free hydrogen.
◦ free oxygen.
◦ inert gases.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by mckennatimberlake on Jan 6, 2021

pami445

  • Sr. Member
  • ****
  • Posts: 303
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly




mckennatimberlake

  • Member
  • Posts: 559
Reply 2 on: Jan 6, 2021
Excellent


6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Gracias!

 

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?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

For a complete list of videos, visit our video library