A student is attempting to draw several resonance structures for a species. Which of the following is allowed?
A) Change the connectivities of the nuclei.
B) Change the number of paired and unpaired electrons.
C) both a and b
D) neither a nor b
D
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Which of the following is an example of heat transfer by convention?
a. water within a pan heated and flows in a circular path b. seawater drawn into a mid-ocean ridge, heated, and rises c. the rise of material beneath mid-ocean ridges coupled with subduction d. all of these
What is commercial agriculture and what are the different types of commercial farms found in developed countries?
What will be an ideal response?
Clouds and precipitation form in the air primarily due to:
A) moisture being added to the air. B) absorption of infrared radiation. C) excessive numbers of condensation nuclei. D) release of latent heat. E) air being cooled as it rises.
The angle of _______________ is the steepest angle at which a slope will remain stable
Fill in the blank with correct word.