Answer:
They can attract marine organisms.
They can prevent beach erosion.
They can attract tourists to the area.
Explanation:
Pick a topic.
Research.
Hypothesis.
Experiment.
Construct an exhibit for results.
Write a report.
Practice presenting.
Pick something you are interested in, something you'd like to think about and know more about
Then do some background research on the topic.
Decide whether you can state a hypothesis related to the topic (that is, a cause and effect statement that you can test), and follow the strict method listed above, or whether you will just observe something.
Design and carry out your research, keeping careful records of everything you do or see and your results or observations.
Construct an exhibit or display to show and explain to others what you hoped to test.
Write a short report that also states the same things as the exhibit or display, and also gives the sources of your background research.
Practice describing your project and results, so you will be ready for visitors to your exhibit at the science fair.
Hope this Helps! May I Have Brainliest? <3
Serotonin and n<span>orepinephrine.
Serotonin decreases appetite by activating </span>5-HT2C receptors<span> on dopamine-producing cells which will cause dopamine release to stop. Dopamine is responsible for the increase of appetite, therefore, serotonin decreases appetite.
Norepinephrine by increasing the production of glucose it also causes the body to feel satiety and, therefore, decreases the appetite.</span>
