A construction company recently filled in a local pond to build new houses. During
the followi...
Chemistry, 12.03.2020 21:32 iluminatioffial9699
A construction company recently filled in a local pond to build new houses. During
the following weeks, a local scientist noticed a decline in the mosquito population in
the area. The scientist wants to conduct a study that will measure the change in the
local mosquito population over a period of three months. Which research method
would give the scientist the best data for conducting his study?
A. a three-month case study observing the behavior of animals that depend on
mosquitoes for food
B. a survey asking residents about their observations of the local mosquito
population
C. a collection device in the area that counts the number of mosquitoes caught
weekly
D. a controlled lab experiment with mosquitoes that limits watercolor the
experimental group
Answers: 1
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Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change
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What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?
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Sodium sulfate dissolves as follows: na2so4(s) โ 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
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