Briefly describe the different types of plate boundaries
What will be an ideal response?
Answer: Divergent boundaries, produced by tensional stress, are areas of crustal formation. Convergent boundaries, produced by compressional stress, are areas of crustal destruction. Transform fault boundaries, produced by shear stress, are areas where plates slide past one
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What is the CNO cycle?
A) the process by which helium is fused into carbon, nitrogen, and oxygen B) the process by which carbon is fused into nitrogen and oxygen C) the set of fusion reactions that have produced all the carbon, nitrogen, and oxygen in the universe D) a set of steps by which four hydrogen nuclei fuse into one helium nucleus
Which of the following is not a characteristic of the stars of the disk component of our galaxy?
a. circular orbits b. randomly inclined orbits c. higher metal abundance d. young stars e. star formation regions
Two parallel straight wires are 7.0 cm apart and 50 m long. Each one carries a 18-A current in the same direction
One wire is securely anchored, and the other is attached in the center to a movable cart. If the force needed to move the wire when it is not attached to the cart is negligible, with what magnitude force does the wire pull on the cart? (?0 = 4? × 10-7 T ? m/A) A) 46 mN B) 37 mN C) 66 mN D) 93 mN
If a foreign atom is more than _____________% larger than its host, it normally does not form a continuous substitutional solid solution.
Fill in the blank(s) with the appropriate word(s).