High and low tides are the regular pattern of rising and sinking ocean-water levels. they are formed as a result of the gravitational forces of the moon and sun on earth's oceans. the moon has a greater effect on earth's oceans than the sun. why would the moon have a greater effect than the sun?

a.) the moon is not as hot as the sun.

b.) the moon has less mass than the sun.

c.) the moon is closer to earth than the sun is.

d.) the moon has less mass than earth.

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

Why do carbohydrate molecules function so well as fuel for the body?

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.