Suppose an extra-solar planet is discovered orbiting a nearby star. The planet is spherical, composed primarily of carbon dioxide (a gas), 10 times larger than Earth, and orbits its star at a distance comparable to 5 AU. What type of planet has been discovered?
A. dwarf
B. terrestrial
C. Jovian
Answer: C
Environmental & Atmospheric Sciences
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Women possess ____ of the world's land
a. less than 2% b. 10% c. 25% d. 50% e. 75%
Environmental & Atmospheric Sciences
Since the Earth has density stratified layers, which layer would be the densest?
a. The outer core b. The mantle c. The inner core d. The crust
Environmental & Atmospheric Sciences
Stalactites and stalagmites often meet and continue growing to form pillar-like _______________
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
Which of the following oxygen isotopes is the most common?
A) 16O B) 17O C) 18O
Environmental & Atmospheric Sciences