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Living organisms all have DNA and RNA which are both _______
answered
Apr 10, 2018
Chemistry
middle-school
0
votes
164k
views
What type of rays are used to locate cavities in teeth? Radio waves, infrared rays, ultraviolet rays, microwaves, x-rays, or gamma rays
answered
Feb 11, 2018
Physics
middle-school
4
votes
12.7k
views
when planning his crops, farmer tim knows that his 7 acres can support peas and carrots. he wants to make $7,000 from his crops. he can make $2,000 per acre of peas (the variable p) and $1,000 per acre
answered
Nov 6, 2017
Mathematics
high-school
4
votes
27.8k
views
Jackson has a rope 1 foot 8 inches long. He cuts it into 4 equal pieces. How many inches long is each piece?
answered
Jul 12, 2017
Mathematics
middle-school
1
vote
156k
views
What risks do infared and ultraviolet pose to humans?
answered
Apr 19, 2017
Biology
high-school
4
votes
104k
views
Simon Bolivar felt that Latin America could __________ unite.
answered
Dec 14, 2016
History
high-school
6
votes
140k
views
The "boom" years of the 1920's were characterized by what?
answered
Oct 4, 2016
History
high-school
7
votes
84.5k
views
A railway train 50 m long passes over a bridge 250 m long at the rate of 12 km/h.How long will it take completely pass over the bridge?
answered
Oct 11, 2015
Physics
high-school
6
votes
97.1k
views
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