Which of the following will be the final stage in the sun’s life cycle?
A. nova stage
B. red giant stage
C. planetary nebula stage
D. black dwarf stageWeegy:
White dwarfs represent a final stage of the life cycle of stars ... After shedding its outer layers to form a planetary nebula, ... [ Black dwarf; Supernova; Red ... www.answers.com/topic/white-dwarf
] Auto answered|Score .6636User:
Which planet has an axis of rotation parallel with the plane of its orbit?
D. Uranus Auto answered|Score 1|smp0784|Points 3973|User:
About 60 percent of all known galaxies are classified as
A. spiral galaxies.
B. elliptical galaxies.
C. irregular galaxies.
D. galactic clusters. Weegy:
B. Elliptical galaxiesAuto answered|Score 1|MrG|Points 2902|User:
Which of the following is true about comets?
A. The orbits of comets do not take them past the Jovian planets.
B. Comets are held together by frozen gases.
C. All comets have long tails made of vaporizing gases.
D. The Oort cloud of comets is found between Neptune and Pluto. Weegy:
B. Comets are held together by frozen gases.Auto answered|Score 1|reynaldo009|Points 216|User:
Approximately how long is a light-year?
A. 9.5 billion km
B. 95 billion km
C. 9.5 trillion km
D. 95 trillion kmWeegy:
light-year also light year n. The distance that light travels in a vacuum in one year, approximately 9.46 trillion ... A long way. Often ... [ 9 trillion mi (9.5 trillion km ... www.answers.com/topic/light-year
] Auto answered|Score .8667User:
When viewed from Earth, Mars appears to change colors. This most likely happens because
A. gases in the dense Martian atmosphere are constantly changing.
B. volcanic activity produces thick gas clouds.
C. dust storms lasting for weeks cause the atmosphere to change color.
D. active volcanoes on the Mars surface intermittently flood the surface with lavaWeegy:
Tall and steep volcanoes are composite/strato volcanoes. Gradually sloped volcanoes are shield volcanoes so the answer would be D. c This most likely happens because: C. dust storms lasting for weeks cause the atmosphere to change color. [ [http://quizlet.com/5765003/science-semester-2-exam-flash-cards/
]omposite, shield. ] Auto answered|Score 1|wintonjoe44|Points 20|User:
The densities of the Jovian planets are
A. not more than about 0.5 times the density of water.
B. not more than about 1.5 times the density of water.
C. from 3.9 to 5.5 times the density of water.
D. more than 5.5 times the density of water.Weegy:
the answer is BAuto answered|Score 1|nnlewis|Points 30|User:
What color will a star be with a surface temperature of 5000–6000 K?
D. white Weegy:
yellow its the sun with 5500 -6000 kAuto answered|Score 1|reynaldo009|Points 216|User:
Terrigenous sediment consists primarily of mineral grains eroded from
A. mid-ocean ridges.
B. marine animal shells.
C. continental rocks.
D. undersea minerals. Weegy:
D. undersea minerals.
Auto answered|Score .9429|Polio123|Points 357|User:
Which of the following best describes a La Niña?
A. It is the name for an unusually long El Niño event.
B. It has the opposite effect than does an El Niño event.
C. It is the cause of an El Niño event.
D. Its effects are localized, not global.Weegy:
B. It has the opposite effect than does an El Ni?o event.Auto answered|Score 1|eikcid|Points 1344|User:
One reason that life as we know it is unlikely to exist on Venus is because
A. the surface temperature is too high.
B. the surface temperature is too low.
C. the surface has too much ice covering it.
D. there is no atmosphere.
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