« previous next »

Author Question: Eras are divided first into smaller time units called ______________. Fill in the blank(s) with ... (Read 77 times)

biggirl4568

  • Hero Member
  • *****
  • Posts: 551
on: Jul 28, 2018
Eras are divided first into smaller time units called ______________.
 Fill in the blank(s) with correct word

Question 2

The term age of ancient life is sometimes used to refer to the ______________ era.
 Fill in the blank(s) with correct word


jsm54321

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

periods

Answer to Question 2

Paleozoic


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

The principle of faunal succession uses animal fossils to tell relative time. The principle of faunal succession uses animal fossils to tell relative time.
How to convert between imperial and metric units (Part 2) How to convert between imperial and metric units (Part 2)
Rockin' In Time, 9th Edition Rockin' In Time, 9th Edition
Time vs. USA Population Exponential Time vs. USA Population Exponential
Physics: Power, Energy and Time Physics: Power, Energy and Time
Alternative splicing of pre-mRNA for a muscle protein called α-tropomyosin Alternative splicing of pre-mRNA for a muscle protein called α-tropomyosin
Video: Pressure Flow Model Animation

For a complete list of videos, visit our video library