Author Question: UV rays are strongest when the sun is ____. a. rising b. setting c. high in the sky d. behind a ... (Read 224 times)

vicky

  • Hero Member
  • *****
  • Posts: 586
UV rays are strongest when the sun is ____.
 a. rising
 b. setting
 c. high in the sky
 d. behind a thin layer of clouds
  e. nearly hidden by clouds

Question 2

The average life expectancy for a chronic smoker is about ____ years shorter than for a nonsmoker.
 a. 5 to 6
 b. 8 to 9
 c. 10 to 11
  d. 13 to 14
  e. 15 to 16



IAPPLET

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

c

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

For a complete list of videos, visit our video library