Rocks are grouped into three classes depending on how the rock was
A) formed.
B) located.
C) discovered.
D) shaped.
Answer: A
You might also like to view...
If you toss a coin straight upward in train that slows while the coin is in the air, the coin will land
A) as if you were at rest. B) in front of you. C) in back of you.
A car starts from rest and reaches 20 m/s in 5 seconds. The average acceleration of the car is
A. 1.0 m/s2. B. zero m/s2. C. 4.0 m/s2. D. 10.0 m/s2. E. 2.0 m/s2.
A certain window glass has spectral transmissivity as shown in the figure. Determine the effective transmissivity from a source at 1000ºR.
The maximum permissible workday dose for occupational exposure to radiation is 11 mrem. A 77 kg laboratory technician absorbs 2.3 mJ of 0.5 MeV gamma rays in a work day. The relative biological efficiency (RBE) for gamma rays is 1.00
The number of gamma-ray photons absorbed by the technician in a workday is closest to: A) 3 × 1010 B) 3 × 109 C) 3 × 108 D) 1 × 109 E) 1 × 108