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

Author Question: Who was the first person to estimate the size of the Earth within approximately 8 of its true size ... (Read 47 times)

bobbie

  • Hero Member
  • *****
  • Posts: 592
on: Aug 22, 2018
Who was the first person to estimate the size of the Earth within approximately 8 of its true size based on the geometric observations of travelers?
 A) Captain James Cook of the British Royal Navy
  B) Eratosthenes of Cyrene
  C) U.S. naval officer Matthew Maury
  D) The Polynesians

Question 2

As pure water approaches its freezing point, the density decreases. Why does this happen?
 A) The water compresses into ice.
  B) The hydrogen bonds become rigid, allowing it to expand slightly.
  C) The hydrogen bonds break as the molecules compress.
  D) Ice takes up a smaller surface area than liquid water.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ju

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Aug 22, 2018
Answer to Question 1

C

Answer to Question 2

B


bobbie

  • Member
  • Posts: 592
Reply 2 on: Aug 22, 2018
Great answer, keep it coming :)

ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Excellent

« previous next »
 

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.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Gaser and Schlaug's study of the size of visual, motor, and auditory nuclei in the brains of mu Gaser and Schlaug's study of the size of visual, motor, and auditory nuclei in the brains of mu
China's proposed supercollider plans to be twice the size of the Large Hadron Co China's proposed supercollider plans to be twice the size of the Large Hadron Co
Earth Earth
Earth’s Revolution Earth’s Revolution
Obliquity "Tilt of Earth on its axis" Obliquity "Tilt of Earth on its axis"
Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ... Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ...
Video: Introduction to Tuberculosis

For a complete list of videos, visit our video library