Physics, 19.02.2021 22:20 annemcnair217
What phenomenon was discovered by early astronomers and used by Hubble to confirm that the universe is expanding?
A. The light emitted by the galaxies becomes brighter as they move away from one another
.B. The light emitted by the galaxies becomes whiter as they move away from one another.
C. The wavelength of the light emitted by the galaxies shifts to the blue region of the spectrum as the galaxies move away from one another.
D. The wavelength of the light emitted by the galaxies shifts to the red region of the spectrum as the galaxies move away from one another.
Answers: 2
Physics, 22.06.2019 00:00
True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.
Answers: 1
Physics, 22.06.2019 00:30
Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.
Answers: 1
Physics, 22.06.2019 04:30
Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.
Answers: 2
Physics, 22.06.2019 07:30
Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?
Answers: 3
What phenomenon was discovered by early astronomers and used by Hubble to confirm that the universe...
Mathematics, 09.03.2021 01:00
Chemistry, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00
Social Studies, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00
History, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00
Mathematics, 09.03.2021 01:00