The Islands were formed by A. the tectonic plates slowly sliding over a stationa
ID: 106989 • Letter: T
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The Islands were formed by A. the tectonic plates slowly sliding over a stationary hot-spot producing a chain of volcanic islands, one at a time. B. a group of hot spots moving along with a tectonic plate and producing all of the islands at the same time. C. by a series of volcanoes where Earth's tectonic plates meet and are being pulled apart. D. the slow build up of coral in ancient oceans. E. impact of massive asteroid-like bodies on ancient Earth and are now being by the ocean. The Moon probably formed because another object collided with Earth A. True B. False The atmospheres of the terrestrial planets that have them were formed A. from the solar nebula from which the whole solar system formed B. during the Late Heavy Bombardment period. C. by the volcanoes outgassing processes. D. when the formed the planets. Which terrestrial(s) have an atmosphere that consists mostly of CO_2? A. Venus, Earth, and Mars. B. Venus and Mars. C. Venus, only D. Mars, only. E. Earth and Venus. The most geologically active moon in the Solar System at the present time is A. Titan B. lo C. the Moon D. Ganymede The Earth's atmosphere is made up mostly of A. oxygen B. carbon dioxide C. nitrogen D. hydrogen compounds, like water and methane The greenhouse effect in the Earth's atmosphere is the A. shielding of life forms from solar UV radiation by the ozone layer. B. The higher pressure of the thick atmosphere at lower altitudes traps heat in more effectively. C. extreme growth of plants near the equator, compared to the growth in the temperate regions. D. CO_2 and other gases UV light from the Sun, which then heats the atmosphere and the surface The greenhouse effect is always a dangerous process. A. True B. False Which of the following correctly describes the meaning of albedo? A. The lower the albedo, the more light the surface reflects, and the less it absorbs B. The higher the albedo, the more light the surface reflects, and the less it absorbs. C. The higher the albedo, the more light the surface emits. D. The higher the albedo, the more light the atmosphere absorbs. Since there are no aurora observed on Venus we can conclude that Venus A. lacks atmospheric oxygen B. is too hot for magnetic forces. C. lacks a strong magnetic field D. lacks strong winds. Please answer #22 thru 25 by choosing from the choices below (A - E) A. the excavation of bowl-shaped depressions by asteroids or comets striking a planet's surface B. the eruption of molten rock from a planet's interior to its surface C. the disruption of a planet's surface by internal stresses D. the wearing down or building up of geological features by wind, water, ice, and other phenomena of planetary weather E. none of the above Which of the following describes tectonics? Which of the following describes erosion? Which of the following describes volcanism? Which of the following describes impact cratering?Explanation / Answer
12)A
The earth's crust is made up to group of techtonic plates that move over the surface of the planet.The group of plates form together sometimes the volcanoes can also be formed in the middle of the plate,Where magma rises upwards untill it erupts on the sea floor, at which is called hot spot.
The hawaiian islands are formed by such a hot spot ocurring in the middle of the pacific plate.While the hotsopt is fixed and the plate will be moving, so as the plate moved over the hot spot, the string of islands that make up the hawaiian island chain is formed
13)True
The formation of the moon had been a long mystery but the new reports explains thet the moon is formed from debris left from a collision between newborn earth and the mars sized rock
14)D
The terrestial planets are orinated from sun and when the planetesimal's formed the plantes the orgin of the atmosphere forms.So the climatic conditions of the terrestial planets vary
15)A
Terristrial planets are earth like plantets which have rocks,metals and differ from the planets having hard surfaces.In our solar system they are four terrestrial planets and also they are nearer to sun mercury, venus, earth and mars
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