Answer: D
They can only change one variable at a time, either water or light, not both. They could test the response to water first and follow that with an experiment for the plant's response to light. They cannot test for both at the same time.
Answer:
A. Electromagnetic Spectrum
What is being classified???
The answer is statistics. This is a realm of mathematics that pertains collection, analysis, and interpretation of data. Statistics is used to solve social, industrial and scientific problems. An example of the application of statistic is its use in the census to help a government that make governance and policy decisions that will benefit its people.
