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Explain how a mutation causing resistance to pyrethrins and pyrethroids would spread through a population of bed bugs that are being treated with the pesticide. A) In a population of bed bugs, variation
answered
Oct 20, 2019
Biology
high-school
1
vote
204k
views
Find the length of the sides of a square if the number of square meters in its area is 1.5 times the number of meters in its perimeter.
answered
Sep 21, 2019
Mathematics
college
6
votes
196k
views
After King Henry VIII's rule, most people belonged to which church? Church of England Catholic Church Church of Calvinists Church of Europe
answered
Feb 25, 2019
History
college
4
votes
207k
views
A secondary alcohol has a hydroxyl group bonded to a(n) ________. carbon bonded to one alkyl group carbon bonded to two alkyl groups carbon bonded to three alkyl groups aromatic carbon.
answered
Nov 29, 2018
Chemistry
college
7
votes
164k
views
Which scientific phenomenon helps scientists determine the chemical composition of some stars? absorption of light in a star’s atmosphere dispersion of light as it enters Earth’s atmosphere reflection
answered
Oct 29, 2018
Physics
high-school
3
votes
156k
views
Multiple choice! In the function y=1/4^2 what effect does the number 1/4 have comparing to the graph of y=x^2 A. It shrinks the graph horizontally to 1/4 its original width. B. It shrinks the graph vertically
answered
Oct 16, 2017
Mathematics
high-school
4
votes
118k
views
What is the solution for the system of equations? Use the substitution method to solve. y=5−3x5x−4y=−3
answered
Aug 28, 2017
Mathematics
middle-school
0
votes
37.0k
views
How do the cell's organelles know what to do? A.Ribosomes provide the instructions B.Protein provides the instructions. C.Cilia provide the instructions. D.DNA provides the instructions.
answered
May 23, 2017
Social Studies
high-school
3
votes
66.9k
views
Which best describes the greenhouse effect? A. Nitrogen and oxygen in the atmosphere release heat. B. Nitrogen and oxygen in the atmosphere trap heat. C. Water vapor and carbon dioxide in the atmosphere
answered
Mar 31, 2017
Geography
middle-school
3
votes
39.4k
views
Which is larger: a megawatt or a kilowatt? how many times larger is it
answered
Feb 18, 2017
Physics
high-school
1
vote
106k
views
Ann took a taxi home from the airport. The taxi fare was $2.10 per mile, and she gave the driver a tip of $5. Ann paid a total of $49.10. Write an equation to determine the distance in miles (x) between
answered
Oct 15, 2016
Mathematics
high-school
4
votes
167k
views
What is the estimate for 403,446+396,755 help please
answered
Jul 26, 2015
Mathematics
middle-school
1
vote
76.2k
views
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