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

Author Question: A rock that is 300 million years old comes from the ________ Era. A) Cenozoic B) Mesozoic C) ... (Read 78 times)

CQXA

  • Hero Member
  • *****
  • Posts: 546
on: Jul 16, 2018
A rock that is 300 million years old comes from the ________ Era.
 
  A) Cenozoic
  B) Mesozoic
  C) Paleozoic
  D) Permian

Question 2

A rock that is 375 million years old comes from the ________ Period.
 
  A) Tertiary
  B) Permian
  C) Cretaceous
  D) Devonian


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meganmoser117

  • Sr. Member
  • ****
  • Posts: 303
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


CQXA

  • Member
  • Posts: 546
Reply 2 on: Jul 16, 2018
Excellent

patma1981

  • Member
  • Posts: 292
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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.

“Career choice” for many women means leaving their paid jobs for a number of years when they ... “Career choice” for many women means leaving their paid jobs for a number of years when they ...
Women who reported one, two, or three or more major life events in the past 5 years were ... Women who reported one, two, or three or more major life events in the past 5 years were ...
The remarkably complete skull of a 3-year-old Australopithecus girl; the fossil is 3.3 million ... The remarkably complete skull of a 3-year-old Australopithecus girl; the fossil is 3.3 million ...
Climate change occurs over millions of years Climate change occurs over millions of years
Rock cores as indicators of environmental change Rock cores as indicators of environmental change
Three years old drawing Three years old drawing
Video: Dietary Cholesterol & LDL

For a complete list of videos, visit our video library