Answer:
A controlled experiment is simply an experiment in which all factors are held constant except for one: the independent variable. A common type of controlled experiment compares a control group against an experimental group. All variables are identical between the two groups except for the factor being tested.
Explanation:
C
Dew point is the temperature of an air mass in which the water vapor (humidity) starts to condense into droplets due to saturation. This is when dew begins to form.
Explanation:
The higher the temperature the higher the water vapor the air mass can hold. This is because the intermolecular spaces between the air molecules become larger with increased temperature hence can accommodate more water vapor molecules in between the air molecules. As the air mass cools the intermolecular spaces become shorter and the relative humidity of the air mass increases. At temperatures where the air mass can't accommodate its humidity, this is called the dew point, and the water vapor begins to condense into droplets (dew).
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Biodiesel (D) is made from vegetable oils and animal fats.
An environmental group claims that a local chemical plant is polluting a nearby river. They are calling for a shutdown of the chemical plant. The evidence that would help you the most in evaluating the claim would be (A) a repeated study that shows chemicals produced by the plant are in water harming fish or other wild life. (The answer is A.)
The answer is b. the decreased migration of pests and pathogens
