Tools, Technology, and Measurement

Question 1

News stories have claimed that cell phones may cause cancer or other health problems. Others, including cell-phone providers, have indicated that there is no evidence to support the claim of cell phones causing health problems. Which statements would most likely be found in a report issued by a cell-phone provider? Check all that apply.

Revolt · Accepted Answer

Cell phone use has increased to 303 million subscribers in the US as of 2010.; The number and duration of cell-phone calls has increased.

Question 2

What is the evidence that supports the cause of the illness?

Revolt · Accepted Answer

The people in nine states had used the same dog food.

Question 3

The cause of the illness was .

Revolt · Accepted Answer

salmonella on dog food

Question 4

Which statement is one of fact supporting how pH and flower color are related?

Revolt · Accepted Answer

Acidic soil produces pink flowers and neutral or slightly basic soil produces deep blue flowers.

Question 5

Which statement shows a reasonable conclusion based on the data?

Revolt · Accepted Answer

In the test, 16 plants out of 20 turned pink in soil with a pH of 4.5, and 15 out of 20 turned deep blue in soil with a pH of 7.0.

Tools, Technology, and Measurement Answers

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