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

Author Question: The RR Lyrae stars all have periods of: A) less than a second. B) several minutes. C) several ... (Read 56 times)

vinney12

  • Hero Member
  • *****
  • Posts: 586
The RR Lyrae stars all have periods of:
 
  A) less than a second.
  B) several minutes.
  C) several hours.
  D) several days.
  E) several weeks.

Question 2

The planet closest in size to Earth is
 
  A) Mercury.
  B) Venus.
  C) the Moon.
  D) Mars.
  E) Pluto.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Hdosisshsbshs

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

C

Answer to Question 2

B




vinney12

  • Member
  • Posts: 586
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

For a complete list of videos, visit our video library