Formaldehyde has the chemical formula CH2O. How many nonbonding electrons must be shown in the Lewis structure of formaldehyde?
A) 0
B) 4
C) 8
D) 12
B
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Once a harmful non-native species becomes established in an area, they can be easily eliminated by passing international laws to prohibit the transfer of species.
Answer the following statement true (T) or false (F)
The Green Revolution in South Asia largely concentrated on which two crops?
A) rice and potatoes B) corn and potatoes C) wheat and rice D) wheat and potatoes E) corn and rice
According to the Household Disposal Guide, what is the best way to dispose of your aerosol cans (hairspray, bug spray, furniture polish, etc.)?
A. Flush with plenty of water in the drain B. Flush with plenty of water in the toilet C. Recycle D. Save and bring to a hazardous waste collection site E. Dispose of empty cans in the trash
Deciduous forests are typically located at higher altitudes than coniferous forests.
Answer the following statement true (T) or false (F)