When scientists observed the light from stars and galaxies, they noticed that their color shifted toward the end of the visible color spectrum.

A. violet

B. Green

C. Red

D. Blue

Compare and contrast fission and fusion

Unless otherwise specified in the question, responses to numerical question must be within 5% of the correct answer. Try out different responses to the following question, which has an answer of 20, where a correct response is between 19 and 21.

2. Explain at least two common barriers to critical thinking, and provide an example of when you encountered each barrier.

State two advantages of a force pump over alift pump

A machine has an efficiency of 80% how much work must be done on the machine so to make it do 50000 J of outfit work

What are those that you are wearing?

What Science is/is not and How Physics and Chemistry are Connected

What two properties of sound remain the same when sound quality differs? A. amplitude B. frequency C. intensity D. loudness E. pitch F. resonance

A 1650 kg car accelerates at a rate of 4.0 m/s^2. How much force is the car's engine producing?

What is an example of when momentum is not conserved?