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

Author Question: Why are periods the most fundamental time unit? What will be an ideal ... (Read 69 times)

anshika

  • Hero Member
  • *****
  • Posts: 510
on: Jul 29, 2018
Why are periods the most fundamental time unit?
 
  What will be an ideal response?

Question 2

The Precambrian witnessed the development of
 
  A) the first atmosphere.
  B) the ozone layer.
  C) photosynthesis.
  D) photosynthesis, an oxygenated atmosphere, and the ozone layer.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bfulkerson77

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: Periods are small enough time units to chronicle major changes in life forms. Eras are far too big, and epochs are too small.

Answer to Question 2

Answer: D


anshika

  • Member
  • Posts: 510
Reply 2 on: Jul 29, 2018
Wow, this really help

patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Schematic Diagram of the fluidized bed for the experiment (CHE415 Unit Operations) Schematic Diagram of the fluidized bed for the experiment (CHE415 Unit Operations)
Sterilization Time Requirements Cont Sterilization Time Requirements Cont
Example of simplified note for one-time client. Example of simplified note for one-time client.
Accumulation of toxicants over time and up the food chain Accumulation of toxicants over time and up the food chain
Time Line for Life’s Origin and Evolution Time Line for Life’s Origin and Evolution
The Cosmic Calendar: Concepts of Time The Cosmic Calendar: Concepts of Time
Video: Activation Energy - Valence Electrons

For a complete list of videos, visit our video library