Both C 3 and C4 plants are equally responsive to increased levels of carbon dioxide
What will be an ideal response?
C
3 plants will be more efficient at photosynthesis as the CO2 levels increase.
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Two light bulbs, a thick-filament one and a thin-filament one, are connected in parallel to a battery. The voltage is greater across the lamp with the
A) thick filament. B) thin filament. C) same for each
If both 30-GeV electrons and 30-GeV protons are used to probe the nucleus, which has the shorter wavelength?
A) They are the same. B) the electrons C) the protons D) It depends on the nucleus probed. E) They are never the same.
Radioactive Decay: The decay constant of a radioactive nuclide is 4.6 × 10-3 s-1. What is the half-life of this isotope, in minutes?
A. 2.5 min B. 3.6 min C. 3.1 min D. 1.4 min E. 2.0 min
Pu is unstable. Which of the following nuclei might be a possible outcome of a single-step decay process from this nucleus?
A. 
B. 
C. 
D. 
E. 