Which of the following types of spectra have dark lines?

a. emission spectra

b. absorption spectra

c. continuous spectra

d. noncontinuous spectra

Which kind of light is used to carry information through optical fibers?

Why are we not able to see immediate after we enter a dark hall from a lighter place.

1. What is the Formula's for Kinetic and Potential Energy?

I need this answered quickly. is the branch of science for naming and classifying organisms based on their natural relationships? A-physics B-taxonomy C-genetics D-biology

When the temperature if the air is 25 degrees celsius, the velocity of a sound wave traveling through the air is approximately

How many chromosomes will an elephant's sperm have?

Would the springs inside a bathroom scale be more compressed or less compressed if you weighed yourself in an elevator that was moving upward at constant velocity

tessa bought stock in a restaurant for $287.00 her stock is now worth $401.80 what is the percentage increase of the value of Tessa's stock?

Withholding Judgment on the mentally Ill is wise because It saves you from embarrassing yourself often people have disorders that don't affect you then you can try to understand what a person is experiencing all of the above

A 1200 W refrigerator, a 1500 W electric frying pan, and a 200 W lamp are plugged into the same outlet in a 15 A, 220 V circuit. (these devices are in parallel when plugged into the same socket.) What current (in A) is drawn by refrigerator?