High tides are experienced 12 hours apart for a certain coastline. Which of the following best explains the reason for this phenomenon? (4 points)

A coastline on Earth experienced a high tide at 6 a.m. At what approximate time will the next high tide occur, and why? (4 points)

Anna filled completely four identical cups with different liquids. Three of the cups were filled with water from different locations on land and one cup was filled with ocean water. The liquid in the four cups was boiled completely. The table below shows the mass of salt obtained on boiling the liquids completely. Cup Mass of salt (in gram) 1 25 2 18 3 35 4 29 Into which of these cups did Anna most likely fill ocean water? (4 points)

Which description explains why there are two spring tides per month? (4 points)

The diagram below shows some ocean floor features. Which of these statements is correct about the feature labeled A in the diagram? (4 points)

Which of the following beach conditions would most likely indicate the presence of low-energy waves? (2 points)

Tsunami waves flood coastal and inland areas and affect coastal life. Which of these properties of tsunami waves most contributes to the flooding? (4 points)

The Mississippi River flows into the Atlantic Ocean at the Gulf of Mexico. What can you conclude about the salinity of ocean water near the mouth of the river? (2 points)

In the image below, which region is showing an abnormally high sea level? (2 points) Public Domain

Nick made the chart below to show the future impact of four energy production technologies on the environment. Name of energy production technology Ocean thermal Energy Wave power Tidal Power Current power Impact on environment Increase in severe weather conditions like hurricanes Marine life affected by noise pollution Destruction of animal habitats because of change in coastline Coastal areas damaged by construction of power plants For which of these energy production technologies did Nick write an incorrect future impact on the environment? (4 points)