Manure is carried by rain water from land to a river. This is an example of (3 points)

Which of these pictures best shows a watershed model? (3 points)

Two groups of scientists got different results while studying about the expansion of the universe. What do the two results most likely indicate? (3 points)

The radiations detected by Arno Penzias and Robert Wilson were the (3 points)

The diagram below shows a portion of the water cycle. What does Y most likely represent? (3 points)

Which of the following best describes the transfer of phosphates and the impact on the environment and human health? (3 points)

Which of the following identifies two technological advancements of space exploration history during the period between 1960 and 1969? (3 points)

Which of these pollutants is transferred from soil to water by organic pesticides and fertilizer runoff from farms? (3 points)

A volcanic eruption takes place in a location. Lava flows down the volcano into human habitation. It blocks the flow of a river and makes it change its path. Which Earth systems interact during this process? (3 points)

The process by which water penetrates the ground to become groundwater is called (3 points)