Answer:
The group that is given the glucose pill serves as the control group.
Explanation:
The election of a control group is essential in an experiment. Its principal purpose is to allow the discrimination of the results obtained by the treatment in the study, in this case the asthma drug, from the results that might be a consequence of other factors. The control group and the treatment group must be selected from the same population. Both groups must be similar in every variable that might influence the results, except for the study treatment.
Answer:
Desert-dwelling animals
Explanation:
All of these adaptations are designed to protect animals from a high-heat, low-water environment, i.e a desert.
Answer:
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.
Answer:
Explanation:
Asexual reproduction is the mode of reproduction in which there is no need of sexual intercourse in order to form the gamete, which will generate a new life.
Option C. The carbon cycle. Because the fossil fuels are organic compounds, which consist of chains of Carbon and hydrogens. When you burn them you produce CO and CO2 which go to the atmosphere.