They both have joints to connect may parts together.
<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:
Use reusable water bottles, not disposable.
Don't wash your car in the driveway, wash it on the lawn.
Dispose of hazardous chemicals properly.
Recycle used motor oil.
Reduce, Reuse, Recycle.
Reduce auto emissions.
Explanation:
There many parts of a cell, and different types of cells. Please specify your question further so I can help you on this topic.:)