A crystal of potassium permanganate is placed into a beaker of water. The next day, the solid color is gone, but the water is evenly colored. This is an example of

What will be an ideal response?


simple diffusion

Biology & Microbiology

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Two important events that lead to a successful germination of seeds is:

A. length of daylight B. sunlight and water C. sunlight and temperature D. daylight and night time temperatures E. relative humidity and water content of the seed

Biology & Microbiology

The neuronal pathways behind gustatory reception most closely parallel those of

A. olfaction. B. vision. C. limb position. D. light touch. E. pain.

Biology & Microbiology

Pelvic inflammatory disease often leads to ________.

A. infertility B. cervical cancer C. low birthweight babies D. multiple births E. HIV infection

Biology & Microbiology

The first step in sewage treatment is ________.

A. filtration B. aeration and settling C. sedimentation D. chlorination

Biology & Microbiology