The correct answer is D: Group 4.
A control group in an experiment is a group separated from the other groups, where the variable that is being tested cannot influence the results. In this case, different materials are the independent variable that you test. Effects of that independent variable on the melting rate of ice are excluded in the control group.
Is it beneficial have asexual or sexual reproduction and why
Answer:
7 - sun
8 - its energy requirements are unbelievably, terribly high
9 - fission
10 - radioactive waste material, for example from the use or reprocessing of nuclear fuel.
11 - The Nuclear Regulatory Commission licenses and regulates civilian use of nuclear energy to protect public health and safety and the environment
12 - ?
13 - ?
Answer:
The mass increases. After the reaction, the solution and gas have more mass than the baking soda and vinegar (B)
Explanation:
