Answer: C. to examine whether one variable causes a change in another.
Explanation:
A controlled experiment is the one where a control variable is used which is used as a benchmark or standard for comparing the changes occurring in a dependent variable due to the changes occurring in an independent variable by undergoing manipulation and alteration.
On the basis of the above explanation, C. to examine whether one variable causes a change in another is the correct option.
I think the correct answer from the choices listed above is option C. The purpose of a controlled experiment is to examine whether one variable causes a change in another. A<span>n independent variable is the only factor that is allowed to be adjusted, with the dependent variable as the factor that the independent variable will affect.</span>
The process that removes metabolic waste from an organism is called the excretory process. Through this process excretes are substances that are not used by the organism and thus must be excreted.
every cell has work to do but different cells may have different jobs in multicellular organisms, cell with the same type of job often work together. These group of specialized cell from tissue in turn, tissue often group together to form larger units called organs the heart is an organ; so is the stomach.
