« previous next »

Author Question: Which of the following is shown as a heavy blue line with triangles? A) dry line B) warm front ... (Read 79 times)

lindiwe

  • Hero Member
  • *****
  • Posts: 577
on: Jul 14, 2018
Which of the following is shown as a heavy blue line with triangles?
 
  A) dry line
  B) warm front
  C) cold front
  D) occluded front

Question 2

The evolution to an oxygen-rich atmosphere:
 
  A) was heavily dependent upon aerobic bacteria.
  B) would have occurred even if carbon dioxide had not been present.
  C) occurred at the same time the atmospheric levels of carbon dioxide were decreasing.
  D) required large amounts of atmospheric nitrogen.


manuelcastillo

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

A Mediterranean woodland in California shown during the cool moist season, when the herbaceous veget A Mediterranean woodland in California shown during the cool moist season, when the herbaceous veget
American soldiers—some of them regulars in deep blue uniforms, others in buckskin cowboy outfits— fi American soldiers—some of them regulars in deep blue uniforms, others in buckskin cowboy outfits— fi
Antigen (dark green and orange) and antibody (blue and green) binding forming a complex. Antigen (dark green and orange) and antibody (blue and green) binding forming a complex.
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Blue Eye Color Blue Eye Color
Raman has a line of credit loan with the ICICI bank. The initial loan balance was $72000.00. ... Raman has a line of credit loan with the ICICI bank. The initial loan balance was $72000.00. ...
Video: Neurotransmission at chemical synapses & Excitory and inhibitory potentials

For a complete list of videos, visit our video library