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

Author Question: When did the first mammals appear? a. about 40 million years ago b. approximately 65 million ... (Read 57 times)

a0266361136

  • Hero Member
  • *****
  • Posts: 538
on: Aug 11, 2018
When did the first mammals appear?
 
  a. about 40 million years ago
 b. approximately 65 million years ago
  c. over 500 million years ago
 d. over 200 million years ago

Question 2

The New Stone Age, or Neolithic, began approximately 14,000 years ago.
 
  a. True
  b. False
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dominiqueenicolee

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Aug 11, 2018
Answer to Question 1

d

Answer to Question 2

False


a0266361136

  • Member
  • Posts: 538
Reply 2 on: Aug 11, 2018
Thanks for the timely response, appreciate it

essyface1

  • Member
  • Posts: 347
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Distribution of glaciers in North America (a) in the late twentieth century, and (b) 18,000 years ag Distribution of glaciers in North America (a) in the late twentieth century, and (b) 18,000 years ag
Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia Vertebral compression Fractures of the spine (vertebra) can cause severe ”band-like” pain that radia
VESPR Chart. My favorite for many years VESPR Chart. My favorite for many years
How do you set yourself apart in a country so rich that of its 4.6 million people, 79,000 are ... How do you set yourself apart in a country so rich that of its 4.6 million people, 79,000 are ...
Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take
Video: Immune responses Animation

For a complete list of videos, visit our video library