How many factors should a well-designed experiment test at one time? 1

2

3

depends on the number of experiment variables

Using meiosis, the sporophyte produces spores that are .

Which of the following graphs have the same wavelengths

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.