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

Author Question: How many times in the last century have meteorites struck and killed people in North America? a. ... (Read 51 times)

mia

  • Hero Member
  • *****
  • Posts: 564
How many times in the last century have meteorites struck and killed people in North America?
   a. none
   b. only one
   c. only a few (less than five or so)
   d. about 15
   e. about 50 (one every couple of years)

Question 2

Why would astronomers have difficulty spotting a large incoming asteroid headed for Earth?
   a. It remains in a fixed position in the sky as it comes in directly, so astronomers cannot see its trajectory.
   b. It comes in so fast that they do not have time to see it.
   c. It is dark before becoming heated in Earths atmosphere.
   d. It is not an important topic to monitor for most astronomers.
   e. It is simply too big to seem as if it is moving.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jaygar71

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

ANSWER: a

Answer to Question 2

ANSWER: a




mia

  • Member
  • Posts: 564
Reply 2 on: Jul 13, 2018
:D TYSM


alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

For a complete list of videos, visit our video library