This topic contains a solution. Click here to go to the answer

Author Question: Who is credited with being the first person to accurately determine Earth's circumference? A) ... (Read 20 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
Who is credited with being the first person to accurately determine Earth's circumference?
 
  A) Eratosthenes
  B) Erik Thorvaldson
  C) Claudius Ptolemy
  D) Christopher Columbus
  E) Pytheas

Question 2

Energy flow in an ecosystem is ________.
 
  A) bi-directional
  B) cyclic
  C) semi-conservative
  D) top down
  E) unidirectional



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
Answer to Question 1

A

Answer to Question 2

E




nenivikky

  • Member
  • Posts: 516
Reply 2 on: Aug 22, 2018
Wow, this really help


lcapri7

  • Member
  • Posts: 350
Reply 3 on: Yesterday
Excellent

 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

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?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

For a complete list of videos, visit our video library