Other researchers have been investigating another potential link between global

Question

Other researchers have been investigating another potential link between global climate change and ragweed allergies. They hypothesize that global warming increases the overall length of the ragweed pollen season because warmer temperatures allow for a longer reproductive season for ragweed plants. They also hypothesize that this effect will be most pronounced at higher latitudes, where projections indicate that warming will be most severe. To test this new hypothesis, researchers measured the length of the ragweed pollen season at various locations between Georgetown, Texas (latitude 30.63 degree N) and Sasketoon, Saskatchewan, Canada (latitude 52.07 degree N) in 1995 and again in 2009. They then graphed the change in the length of the ragweed pollen season (shown on the y-axis) against latitude (shown on the x-axis). What relationship between these two variables would support the researchers' hypothesis? Choose the appropriate graph line at left and drag it onto the graph's axes at right.

Explanation / Answer

Ans- in first condition | / | will come in the graph to prove the researchers hypothesis. Here the line goes from middle where x and y cut. It indicate that the change in latitude in increasing order will increase the pollen season due to global climate change.

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