<span>There needs to be an independent variable, a dependent variable, a constant, and a control group. The independent variable is the part that is manipulated. The dependent variable is affected by the independent variable. The constant is the part kept the same throughout all of the experiments. The control group is the normal group that is untreated.</span>
Answer:
the answer is C) They increase the rate of the chemical reactions involved in digestion
Explanation:
The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily. Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin. Thus, digestion of food occurs within the mouth, even before food reaches the stomach.
It means, "how do I get money" according to Google translate, hope this helps :)
Answer:
Las principales aplicaciones del electromagnetismo se emplean en: La electricidad. El magnetismo. La conductividad eléctrica y superconductividad.
Explanation:
B.metric system of measurement.
a system of physical units ( SI units ) based on the meter, kilogram, second, ampere, kelvin, candela, and mole, together with a set of prefixes to indicate multiplication or division by a power of ten.