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

Author Question: The first-quarter Moon sets at approximately a. midnight. b. noon. c. 6 P.M. d. 6 ... (Read 19 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
The first-quarter Moon sets at approximately
 a. midnight.
  b. noon.
  c. 6 P.M.
  d. 6 A.M.

Question 2

A(n) ______________ consists of many narrow parallel slits very close together.
 Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ahernandez18

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

a

Answer to Question 2

diffraction grating




BRWH

  • Member
  • Posts: 553
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Excellent

 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

For a complete list of videos, visit our video library