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Author Question: In central Iowa, which one of the following would yield the highest UV exposure on a sunny day, with ... (Read 51 times)

cherise1989

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on: Jul 16, 2018
In central Iowa, which one of the following would yield the highest UV exposure on a sunny day, with a sky clear of all clouds and apparent pollution? Thirty minutes of direct exposure to the sun
 
  A) at 1:00 PM on June 30.
  B) at 3:00 PM on September 30.
  C) at 9:00 AM on December 1.
  D) at 2:00 PM on March 30.

Question 2

In a significant 2004 paper reviewing 69 studies on world human population and carrying capacity, the authors estimated that the sustainable carrying capacity of humans for Earth is about
 
  A) 600 million.
  B) 2.5 billion.
  C) 7.7 billion.
  D) 20 billion.


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cloud

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Reply #1 on: Jul 16, 2018
Answer to Question 1

A

Answer to Question 2

C


cherise1989

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Reply 2 on: Jul 16, 2018
:D TYSM

Dominic

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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