Which has the longest residence time?
A) groundwater
B) rivers, lakes, and streams
C) polar ice caps and glaciers
D) rainwater
Answer: C
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A boulder rolls off of a very high cliff and experiences no significant air resistance. While it is falling, its trajectory is never truly vertical
A) True B) False
Ideal Gas Law: Originally 2.00 mol of gas are at STP. If the temperature changes to 47.0°C and the pressure decreases to half of what it was, how many liters do the two moles now occupy? (1 atm = 101 kPa, R = 8.31 J/mol ? K)
Fill in the blank(s) with the appropriate word(s).
What are the shortest wavelength X-rays produced by a 50,000-V X-ray tube?
What will be an ideal response?
The 2.4-m diameter Hubble space telescope has been placed into Earth orbit by the space shuttle. Assuming a wavelength of 710 nm, what angular resolution could this telescope achieve by Rayleigh's criterion? (1 nm = 10-9 m)
a. 5.7 × 10^-6 rad c. 3.6 × 10^-7 rad b. 7.5 × 10^-6 rad d. 2.5 × 10^-7 rad