A man treated his home with a pesticide that kills roaches. The first application of the
pesticide killed 92% of the roaches. Two months later he applied the pesticide to his home
again, but the second application killed only 65% of the roaches. What would best explain
the decrease in the effectiveness of the pesticide?
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Biology, 22.06.2019 01:00
The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime
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Biology, 22.06.2019 03:00
Wich organism obtains its energy from dead or decaying matter
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Biology, 22.06.2019 07:30
Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.
Answers: 1
Biology, 22.06.2019 08:00
Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure
Answers: 1
A man treated his home with a pesticide that kills roaches. The first application of the
pesticide...
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