Geography, 25.01.2020 14:31, kathleendthomas
Desertification is a. the natural process of desert formation caused by global climate changes b. caused by blowing sand from existing deserts that buries surrounding arid lands and converts them to desert c. caused by the rain shadows cast by mountains d. accelerated by intensive agricultural activity in arid and semiarid lands
Answers: 1
Geography, 23.06.2019 12:50, 12335555cvusd
Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted
Answers: 3
Geography, 23.06.2019 13:50, Theresab2021
Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity
Answers: 3
Desertification is a. the natural process of desert formation caused by global climate changes b. ca...
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