Two students completed an experiment to determine if pesticide use at local farms was causing fish kills in a local pond. The steps of the experiment are listed below. Select one location to collect water samples in the pond.
Collect a 5-mL water sample at 8 am, 12 pm, and 6 pm for 10 days.
Measure the amount of pesticide present in each sample using different measurement tools.

After analyzing their data, the students conclude that pesticide runoff from farms is causing the fish to die in the pond. Which of these statements best describes why their conclusion is not valid? (2 points)

Different measuring tools are used to measure the water samples.

The pesticide measurements were the controlled variable.

The samples were collected for multiple days at the same times of day.

The time and day of sample collection was not an independent variable.

Found evidence that the continents were joined together at one time.

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

He did not infringe upon the policy making powers that he felt the constitution gave congress. but the determination of foreign policy became preponderantly a presidential concern. when the french revolution led to a major war between france and england, washington refused to accept entirely the recommendations of either his secretary of state thomas jefferson, who was pro-french, or his secretary of the treasury alexander hamilton, who was pro-british. rather, he insisted upon a neutral course until the united states could grow stronger. which provides the best objective summary of this excerpt? president washington made a good choice when he decided not to accept the recommendations of his advisors and instead insisted that the united states stay neutral during the war between france and england as president, washington believed that the united states should remain neutral in foreign policy even though he had advisors who recommended that he take sides during the war between france and england. washington did not make policy decisions during his presidency because he did not want to interfere with the policy-making powers that the constitution gave congress. washington refused to accept entirely the recommendations of either his secretary of state thomas jefferson, who was pro-french, or his secretary of the treasury alexander hamilton, who was pro-britis