![subject](/tpl/images/cats/biologiya.png)
Biology, 19.10.2019 05:30 applejulianamoreno
Aresearcher has hypothesized that the chemical tributyltin (an additive in boat paint) seeps out of the paint into the water and causes reproductive defects in developing marine snails. which of the following would be a good control in an experiment that tests the effects of tributyltin on developing snails? a. developing snails are kept in a dry tank to avoid exposure to contaminated water. b. developing snails are kept in a tank of water and exposed to boat paint that does not contain tributyltinc. developing snails are kept in a tank of water and exposed to below-expected levels of tributyltin. d. developing snails are kept in a tank of water that has never been exposed to boat paint.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 01:00
Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 02:10
Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 09:40
What molecule contains an organisms genetic material, passed down from parents to their offspring
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
Answers: 3
You know the right answer?
Aresearcher has hypothesized that the chemical tributyltin (an additive in boat paint) seeps out of...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 22.10.2019 02:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/en.png)
English, 22.10.2019 02:10
![question](/tpl/images/cats/health.png)
Health, 22.10.2019 02:10
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2019 02:10
![question](/tpl/images/cats/biologiya.png)
Biology, 22.10.2019 02:10
![question](/tpl/images/cats/istoriya.png)
History, 22.10.2019 02:10
![question](/tpl/images/cats/fizika.png)
Physics, 22.10.2019 02:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.10.2019 02:10
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2019 02:10
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/en.png)
English, 22.10.2019 02:10
![question](/tpl/images/cats/health.png)
Health, 22.10.2019 02:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.10.2019 02:10
![question](/tpl/images/cats/en.png)
English, 22.10.2019 02:10