Garrett notices a small island has formed off the coast of his hometown in florida. which of the following best describes what caused the island to form?

the sand was deposited into a pile by the action of waves.

beach sand that was eroded from the local beach formed an island.

the sand was a remnant from a tropical storm that had a large storm surge.

erosion of the areas behind the island caused it to be surrounded by water.

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth

Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above