Introducing a predator means there will be less prey which will help balance the population of prey. Some predators may run out of food and there might be no prey left for them. If the prey were removed the predator population would decline.
Answer:
Hypothesis: I think the penny will hold more droplets plain water because adding soap to the water will disrupt surface tension
Independent variable: Penny and water dropper
Dependent variable: plain water
Independent variable:soapy water
Hope this helped
Answer:
I'm pretty sure it's sodium chloride
Explanation:
Water can't melt so yeaa
Hope this helps
B
I believe it is B, so do double check. I hope it is right.
B) Presence of a tidal range i believe.