What is the smallest number of carbon atoms that can be present in a ketone?
A) 1
B) 2
C) 3
D) 4
C
Environmental & Atmospheric Sciences
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Global climate models differ from numerical weather forecasting in that GCMs
A) only focus on the atmosphere. B) make definitive predictions about future weather at specific locations for specific times. C) cannot be proven correct or incorrect for several decades. D) use mathematical models. E) use sophisticated computers.
Environmental & Atmospheric Sciences
Which branch of Islam is the largest in Iran?
What will be an ideal response?
Environmental & Atmospheric Sciences
Photochemical smog generally requires the presence of
a. nitrogen oxides b. Sunlight c. volatile organic compounds d. Heat e. all of these answers
Environmental & Atmospheric Sciences
Which of the following would probably have the highest porosity?
A. unfractured gneiss B. rock salt C. unfractured granite D. sandstone
Environmental & Atmospheric Sciences