Chemistry, 10.03.2020 18:55 adjjones2011
Due to the increase of acid rain over the last few decades, the pH levels in lakes and streams seem to be decreasing. While certain
animals can tolerate low pH levels, others are extremely sensitive to the effects of acid rain and cannot live under the conditions.
Candice is working on a project to determine whether acid rain is decreasing the amount of bass and mayflies in a lake in her
hometown. She is using the scientific method. To MOST accurately test the pH of the lake, Candice should useas
part of her experimental design procedures.
A) litmus paper
B) hydrion pH papers
C) a portable digital pH meter
D) a naturally occurring indicator like red cabbage juice
Answers: 2
Chemistry, 21.06.2019 16:30
Select the correct answer from each drop-down menu. daniel and sanya are scientists. daniel is studying whether the increasing frequency of tropical storms is affecting coastal erosion. sanya is investigating whether the discharge from industrial plants has any impact on the ph concentration of freshwater swamps in the surrounding area. which fields of science are daniel’s and sanya’s studies most closely related to? daniel’s field of study is related to science, and sanya’s field of study is related to .
Answers: 3
Chemistry, 21.06.2019 23:00
Achef makes salad dressing by mixing oil, vinegar, and spices, as shown. which type of matter is the salad dressing?
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What type of electromagnetic radiation has a shorter wavelength than blue light
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Due to the increase of acid rain over the last few decades, the pH levels in lakes and streams seem...
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