Answer:
As the temperature increases, the rate of activity of the enzyme increases until the temperature reaches 37 degrees celcius. After this point, the rate of enzyme activity rapidly decines.
Answer:
<em>The correct option is A) Organic molecules are common in food, and inorganic molecules are used in electronics.</em>
Explanation:
Organic compounds can be described as compounds which are made up of carbon. They might have carbon-carbon bonds or carbon binding to other compounds like hydrogen, oxygen, nitrogen etc.
The food made by plants is an organic compound in general. As all of the organisms depend on plants or animals that eat them for food, hence food comprises of an abundance of organic compounds.
Inorganic molecules can be described as molecules which are not made up of carbon. They might be metals or semiconductors being used in electronics.
The answer is <span>Time is the independent variable, and the number of birds is the dependent variable. </span>
<span>An independent variable is variable that is not affected in the experiment. It is what experimenter controls. On the other side, a dependent variable is called dependent because it depends on the independent variables. It is what is affected during the experiment.
In Sam investigation, he controls time - he counts birds at 6 a.m. and 6 p.m. So, time is the independent variable. The number of birds is affected during the experiment, so it must be the dependent variable.
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Answer:
C
Explanation:
This is because viruses are bigger than bacteria, so it is not A. Bacteria and viruses both cause disease so it is not B. And viruses have genetic material, not bacteria so it is not D. Also viruses are considered nonliving because they don't meet all the characteristics of life, so it is C.