Help Please I need the biology Terms Define the following terms:
Purpose-
Research-
Avoiding Bias-
Hypothesis-
Experiment-
Independent Variable-
Dependent Variable-
Control-
Analysis-
Conclusion-

Purpose- "the reason why something is done or used"

Research- An open access, peer reviewed Journal. Information about a topic that is  gained by investigating prevous information gathered by someone else. systematic investigation. A systematic way of gathering data and harnessing curiosity.

Avoiding Bias- Avoiding Bias means to write info with curiosity and with research, not using personal opinion or preferance to write info.

Hypothesis- May be described as an educated guess based on research to describe and/or to explain the effect of a certain cause. Usually written in IfThen (A specific testable Prediction describing what you expect to happen in a certain circumstance)

Experiment-An emperical Procedure using scientific method to test and explain a certain circumstance.

Also, A trial or test, carried out under controlled conditions, to discover something unkown, to verify a hypothesis.

Independent Variable- The Variable that is changed during an experiment.

Dependent Variable- The Variable that you measure in response that is affected by the changes made.

Control- The Control variable is the Variable that remains Constant and does not change.

Analysis- The careful study of the data obtained from the experiment.

Conclusion-Short paragraph that discusses the overall results from the data obtained by the experiment and explains whether the hypothesis was right or wrong.

the answer is b: 1.4 km/hr

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.