« previous next »

Author Question: The auroras are caused by charged particles originating from ____. A) Earth's atmosphere B) solar ... (Read 132 times)

bclement10

  • Hero Member
  • *****
  • Posts: 560
on: Jul 13, 2018
The auroras are caused by charged particles originating from ____.
 A) Earth's atmosphere
  B) solar wind
  C) the North Pole
  D) the South Pole

Question 2

More tornadoes are being reported in recent decades because ____.
 A) of global warming
  B) an increase in deaths have occurred each year
  C) more people have spent time outdoors in recent years
  D) tornado-spotting technology has improved


lou

  • Sr. Member
  • ****
  • Posts: 286
Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Schematic of the Earth–Moon system (without a consistent scale) Schematic of the Earth–Moon system (without a consistent scale)
Solar Granulation Solar Granulation
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim
Abnormalities Caused by Cardiac Pathology Abnormalities Caused by Cardiac Pathology
Cystic fibrosis is caused by a mutation in a protein called CFTR Cystic fibrosis is caused by a mutation in a protein called CFTR
Humans are related to Earth’s other organisms Humans are related to Earth’s other organisms
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library