If the bond angle at a carbon atom is 180°, how many groups are distributed around the carbon atom?
A) 1
B) 2
C) 3
D) 4
B
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The Carboniferous flora in coal-forming swamps was dominated by ____________________ plants. Fill in the blank(s) with the appropriate word(s)
What is the Endangered Species Act? Describe one of its successes and explain some of the current controversies surrounding it
What will be an ideal response?
Unconformities which represent a break in the geologic record of deposition are important because ________
A) the fossils found in the unconformities can be used to correlate global time period B) they give an indication of sea level rise within an ocean basin C) they cannot be mapped D) they represent a period of major activity