Which of these events is a likely result of chemical water pollution? A. Algae are killed by solvents that have run off into a pond.
B. Rainbow trout disappear from a stream because of high water
temperatures.
C. Fish die from lack of oxygen due to an algal bloom.
D. Sediment particles floating in water clog the gills of fish.

What’s the correct answer???

B is not the correct answer

Diffusion and osmosis are forms of passive transport

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

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.