Answer:
direct
Explanation:
the more dense it is the more pressure it will exert
Adding fertilizer to stimulate the aquatic plant growth, and putting research and money into renewable energy
Leah's experiment:
A. Takes careful and regular measurements (she measures the growth every day)
B. Has a specific hypothesis and a controlled experiment (the music is the only changing variable, the growth conditions are identical, and this is what she wants to test in her hypothesis)
C. Experimental data that can be recorded and analyzed (measuring the growth of plant fits this)
So the answer must be D, since there is no mention of past research that scientists have found on this topic.
B. Who, what, when, where, why, and how. Those are the most important and key componants in a story.
