Question

A scientist is researching trends in global temperatures. To support his theory that the Earth's temperature is increasing, he gathers the average temperatures recorded in Miami for the last 150 years. From his data he concludes that the Earth's temperature is increasing.How should the scientist's research methods be improved to make his conclusions more valid?

Answer 1

A. He should analyze cities in different areas of the planet.
B. He should only include temperatures from the past 50 years.
C. He should analyze exact temperatures instead of average temperatures.
D. He should only include the temperatures taken during the summer months.

Answer 2

I would go with A myself. Picking one city out of the entirety of the planet Earth. Super small sample size.

Answer 3

thank u so much!