The systematic response would fail, or worse.......\o/
Answer:
No. They don't necessarily have to be the same. For example, there can be isotopes (different numbers of neutrons) or ions (different numbers of electrons). The only thing that can't vary between atoms of the same element is the number of protons, but the others can have some variation.
Answer: 4
Explanation: The smallest fragments travel the furthest distance through the gel plate because are able to move quickly through the gel.
The answer is in the question. It would be C. The data doesn't support the hypothesis. As the students is completing their experiment they find that their data doesn't support the original hypothesis. Now from there they can change the experiment and see if they get different results or just write down the data and others can do the experiment to see if they get different or similar results.
