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

Author Question: When did the extinction of the dinosaurs occur? A) about 3.5 billion years ago B) about 2 ... (Read 23 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
When did the extinction of the dinosaurs occur?
 
  A) about 3.5 billion years ago
  B) about 2 billion years ago
  C) 540 million years ago
  D) 65 million years ago
  E) less than 1 million years ago

Question 2

How does a lenticular galaxy differ from a normal spiral galaxy?
 
  A) It has no bulge.
  B) It has an elongated bulge resembling a bar more than a sphere.
  C) It is flatter in shape.
  D) It has no gas or dust.
  E) It has no spiral arms.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dmurph1496

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

E


JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 27, 2018
Thanks


dmurph1496

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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.

Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
Defying thousands of years of conventional wisdom, scientists are reporting that it is possible for Defying thousands of years of conventional wisdom, scientists are reporting that it is possible for
The Dingo was the first placental mammal introduced to Australia, around 4000 years ago The Dingo was the first placental mammal introduced to Australia, around 4000 years ago
Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ... Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ...
The DNA from one chromosome has a mass of ~20 billion Daltons The DNA from one chromosome has a mass of ~20 billion Daltons
Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness Percentage of youth age 15 to 19 years with at-risk levels of body composition & fitness
Video: Bipolar Disorder

For a complete list of videos, visit our video library