Answer ASAP Please it is an EXAM 1) Why was Pluto reclassified as a dwarf planet?
a) Pluto has not cleared its neighboring region of other objects.
b) Pluto's orbit is not on a plane with the planets.
c) Pluto is in direct orbit with Sun.
d) Pluto has not attained hydrostatic equilibrium.

2) Which planets have “strange” orbital motions that do not look like the other planets?
a) Venus and Uranus
b) Earth and Mars
c) Venus and Mars
d) Earth and Uranus

3) What is a bolide? In your own word. (Type it out.)

4) Choose the answer that correctly explains solar flares.
a) Solar flares are powered by the sudden release of magnetic energy stored in the corona.
b) Solar flares happen only once every 11 years.
c) Solar flares are caused by intense solar winds on the Sun's surface.
d) Solar flares occur when jets of gas stream out of the Sun's core.

5) 370 miles per second (600 km/sec). Choose the Earth movement that best relates to this description.
a) Earth rotates once every 24 hours
b) Earth moves with the Milky Way Galaxy through galactic space
c) Earth orbits, with the solar system, in the Milky Way Galaxy
d) Earth orbits the Sun

6) As Mars orbits the Sun, it is slowest at what part of its orbit?
a) the aphelion
b) the perihelion
c) the two midpoints of the elliptical orbit
d) the midpoint of the ellipse

7) As a planet approaches the aphelion of its orbit to the Sun, what happens?
a) the planet approaches its highest velocity
b) the planet approaches its slowest velocity

8) List the order of the planets starting closest to the Sun. (Type it out)

9) Choose the best description of a comet.
a) 100 meter to 40 km diameter, coma and tail, orbits sun from Kuiper belt or Oort Cloud
b) 1 meter to 900 km diameter, rocky material, orbits between Jupiter and Mars
c) a large meteor that appears as a fireball once it strikes the atmosphere
d) bodies orbiting the outer planets, some as large as planets

10) What is the difference between an asteroid and a dwarf planet?
a) Asteroids do not have a direct orbit with the Sun.
b) Asteroids do not have enough mass to be called a dwarf planet.
c) Asteroids do not have hydrostatic equilibrium.
d) Asteroids do not have enough mass to clear the neighborhood of other objects.

11) Choose the answer that explains solar prominences.
a) intense solar winds on the Sun's surface
b) storms of gas that form columns and shoot into space
c) sudden release of magnetic energy stored in the corona
d) intense electromagnetic storms on the photosphere

12) Which are dwarf planets? Choose the correct answer.
a) Ceres, Pluto, Haumea, Makemake, Eris
b) Europa, Io, Ganymede, Callisto, Amalthea
c) Titan, Enceladus, Iapetus, Dione, Mimas
d) Miranda, Titania, Oberon, Setebos, Portia

13) What is the shortest day of the year in Rio de Janeiro, Argentina (in the Southern Hemisphere)?
a) December 21
b) March 20
c) September 22
d) June 20

14) What is the Great Red Spot on Jupiter?
a) an ocean of hydrogen and helium 24,000 to 40,000 across
b) an ongoing storm from 24,000 km to 40,000 across
c) a giant volcano 24,000 km to 40,000 km across
d) a giant asteroid strike 24,000 km to 40,000 across

15) At the Winter Solstice the Sun's rays are directly perpendicular to what location on the Earth?
a) Tropic of Capricorn
b) Tropic of Cancer
c) Antarctic Circle
d) The Equator