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when the tree is first planted, Its carbon-14 is at 100%. what has to happen for that number to start changing?
answered
Jan 20, 2019
Geography
middle-school
5
votes
223k
views
What are the processes behind sub-saharan africa’s political map, and why have there been relativelyfew boundary changes since the 1960s?
answered
Nov 23, 2018
History
college
3
votes
219k
views
Find the unit rate. 6 2/5 revolutions in 2 2/3 seconds
answered
Sep 8, 2018
Mathematics
middle-school
0
votes
30.9k
views
What kind of intramolecular bonds form a water molecule?
answered
Aug 21, 2018
Biology
middle-school
4
votes
92
views
One cup of cooked zucchini has 1.9 g of protein. How much protein is in 0.5 cups of zucchini
answered
Feb 25, 2018
Mathematics
middle-school
4
votes
196k
views
What other hominids evolved from the same common ancestor as humans?
answered
Jan 24, 2018
Biology
high-school
6
votes
13.1k
views
Which is the cause of erosion? A. liquid rock B. flowing water C. tectonic plate movement D. earthquakes
answered
Aug 17, 2017
Biology
high-school
2
votes
206k
views
For what main purpose would a writer build a pattern of imagery in a literary work A. To distract readers from the plot B. To provide humor C. To convey a character traits D. To reinforce important ideas
answered
May 31, 2017
English
high-school
2
votes
3.4k
views
Many plant cells have a single, large _________ __________ that is filled with fluid. A) central vacuole B) Golgi apparatus C) lateral attachment D) endoplasmic reticulum
answered
Oct 26, 2016
Biology
high-school
4
votes
41.1k
views
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