the spectra lines for the sun tell us that it is a g-type star
select one:
true
f...
Geography, 30.08.2019 18:30 patrick171888
the spectra lines for the sun tell us that it is a g-type star
select one:
true
false
Answers: 1
Geography, 23.06.2019 04:20, calebhoover03
17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons
Answers: 2
Geography, 23.06.2019 11:10, Justinoreilly71
Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks
Answers: 2
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
Geography, 23.06.2019 16:30, lillypierre8796
Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare
Answers: 3
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Chemistry, 04.12.2020 21:50
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Mathematics, 04.12.2020 21:50