1. Whether or not height affects running speed.
2. She and her friend Melissa exercised equal amounts, but Melissa still ran faster, so Sally wanted to know why.
3. speed
4. quantitative
5. males vs female data, so gender, and how much each test subject exercises, so their athleticism
6. Gender, distance ran
7. no
8. 1 trial as a class, but independent data for each student, so I would say there were as many trials as students in the class
Answer:2. Flooding and 4 run off
Explanation:Watershed areas are prone to flooding. They also cause a lot of runoff
Answer:
Nucleus
Explanation:
both prokaryotic and eukaryotic have genetic material, prokaryotic and eukaryotic have cell membranes and cytoplasm, only eukaryotic cells have nucleus'
<span>Radioactive H will show up in the sugar, C6H12O6, and radioactive oxygen will show up in the O2 emitted to the air.</span>