Which of the following statements about comets is true?
A. Most comets have a circular orbit t...
Which of the following statements about comets is true?
A. Most comets have a circular orbit that keeps them in the space between Mars and Jupiter.
B. Comets have very elliptical orbits that usually take them far beyond the orbit of Pluto, but also take them closer to the Sun than Earth.
C. Comets rarely fall into an orbit around the Sun. They usually enter the inner solar system only once and then are gone forever.
D. Comets have very elliptical orbits that usually take them closer to the Sun than Earth, but rarely do they get further away than Pluto.
Answers: 1
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Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry
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The table below shows the number of foot bones in some horse fossils. horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s
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