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A species of fish that eats all of the plants in the lake where it was introduced is an example of a(n) _____. A. keystone species B. native species C. invasive species D. extinct species
answered
Oct 24, 2019
Biology
high-school
5
votes
111k
views
What happens to an individual with a bad adaptation?
answered
Aug 3, 2019
Biology
middle-school
5
votes
137k
views
To divide 3/8 ÷ 1/4 using a model, which of the following are true? Select all that are correct. Divide a bar into eighths. Divide each eighth into thirds. Divide each eighth into fourths. Divide a bar
answered
Jul 5, 2019
Mathematics
college
7
votes
14.1k
views
Why don’t poor farmers use the machinery and fertilizers of Green Revolution farming? A. They misused and broke them. B. They do not like to use them. C. They cannot afford them. D. They are afraid of
answered
Apr 1, 2019
Biology
high-school
6
votes
13.1k
views
There were n signers of the Declaration of Independence. The youngest was Edward Rutledge, who was x years old. x is 25% of 104. What was Rutledge’s age?
answered
Sep 24, 2018
Mathematics
middle-school
3
votes
31.6k
views
Why doesn\'t oil dissolve in water? g oil molecules covalently bond together, forming droplets that separate from water?
answered
Sep 23, 2018
Chemistry
college
3
votes
66.3k
views
Which two forms of energy does a hairdryer convert electric energy into? A.)chemical energy B.) gravitational potential energy C.) magnetic energy D.) motion energy E.) radiant energy
answered
Sep 13, 2018
Physics
high-school
3
votes
192k
views
A specific rubric contains _____ A.criteria that can be used to assess a variety of assignments. B.tips for publishing and presenting an essay. C.information about the writing process. D.exact criteria
answered
Apr 30, 2018
English
high-school
2
votes
192k
views
If angle X has a measure of 40 degrees and angle Y is vertical to angle X what is the measure of angle Y?
answered
Apr 6, 2018
Mathematics
college
3
votes
234k
views
Laurel wants to build a fence around her square garden. Each side measures 50 feet. She also wants to fence in 3 square rose beds next to her garden. Each side of a bed measures 10.5 feet. How many feet
answered
Jan 3, 2018
Mathematics
high-school
4
votes
68.5k
views
Larry,Moe,and tome at a pizza together. If larry ate 3/8 of the pizza, and tom ate 1/6 of it, how much did moe eat?
answered
Jul 30, 2017
Mathematics
middle-school
3
votes
219k
views
Describe the role of energy in chemical reactions?
answered
Apr 12, 2017
Biology
middle-school
7
votes
83.7k
views
How old was Mahatma Gandhi's wife when he married her? What was her name?
answered
Jan 6, 2016
History
high-school
5
votes
57.1k
views
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