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Arctic sea ice has declined over the past few decades causing water levels to increase. This is an interaction of which two spheres? (2 points)

Which of the following units for mass is an SI unit? (2 points)

Which of the following is an SI base unit for time? (2 points)

A student used a ruler to measure a pencil, as shown below: © 2010 Jupiterimages Corporation Which of the following measurements is both accurate and precise? (2 points)

Which of the following types of graphs is best for plotting the mean, median, and mode of data? (2 points)

The durability of scientific knowledge depends on _________ investigation. (2 points)

A student did an experiment with two identical fish tanks, Tank 1 and Tank 2. About 20 mL water purifier was added to Tank 1 and 10 mL water purifier was added to tank 2. Both tanks were heated to 88° F. The water purity of each tank was tested every day in particles per liter. The purity was recorded over a period of 5 weeks in the table shown below.   Week Water Purity of Tank 1 Water Purity of Tank 2 1 12.6 12.6 2 13.7 13.9 3 14.3 14.4 4 15.7 15.8 5 17.6 17.6   Based on the table, which of these conclusions is correct? (2 points)

Four groups of scientists, in different parts of the world, are dating fossils found in a rock layer of the same geologic time period. To validate the age of their fossils, the results of their tests would need to be (2 points)

Predictions about the future based on reading the lines on a person’s palm is an example of (2 points)

Scientific knowledge is _________ and open to change. (2 points)