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

Author Question: How did the science community piece together the absolute ages of rocks in the last half of the ... (Read 30 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
on: Jul 16, 2018
How did the science community piece together the absolute ages of rocks in the last half of the twentieth century?
 
  A) based on where the rock is found, scientists know exactly how old the rock is
  B) based on the type of rock, scientists know exactly how old it is
  C) they never did
  D) through the measurement of radioactive decay

Question 2

A student concluded, The rock record is incomplete because of weathering and erosion. Evaluate this statement.
 
  A) The statement is true.
  B) The statement is partially true; the student forgot to include metamorphism.
  C) The statement is partially true; the student forgot to include tectonic forces.
  D) The statement is partially true; the student forgot to include soft-shelled animals that are now extinct and not fossilized.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jackie

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


Jkov05

  • Hero Member
  • *****
  • Posts: 556
Reply #2 on: Jul 16, 2018
Correct answers!


jackie

  • Sr. Member
  • ****
  • Posts: 324
Reply #3 on: Jul 16, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

A Rough Guide to Spotting Bad Science A Rough Guide to Spotting Bad Science
Metamorphic Rocks Metamorphic Rocks
Science dresses Science dresses
The Two-Step Persuasion Technique to Encourage Community Service The Two-Step Persuasion Technique to Encourage Community Service
In many industrialized nations, men are having children at older ages, raising the possibility of ... In many industrialized nations, men are having children at older ages, raising the possibility of ...
Vocational interests seem to be established well before adulthood, and young people of all ages ... Vocational interests seem to be established well before adulthood, and young people of all ages ...
Video: Generalized life cycles for plants and animals Animation

For a complete list of videos, visit our video library