Answer:
im,not for sure but I think it's B
Explanation:
Add the diagram to your question and I can probably get it for sure
Gene therapy I hope this helps
Answer:
i pretty sure its c but i could be wrong
Explanation:
Answer: This is a vertebrate animal with bilateral symmetry which has an endoskeleton. Most reproduce sexually through external fertilization.
Explanation:
I'm Smart
Answer:
Students who take a PE class and who will be eating sugary snacks before PE.
Explanation:
The control variable (or control group) is an experimental element which is constant or unchanged throughout the course of the experiment.
The option "students who take PE class and who will be eating sugary snacks before PE" will remain unchanged and constant because the whole point of the experiment is to see the effects on students performance in PE after eating sugary snacks.
Hope this helps :)