Question

had eroded by 25%. which groups data should the town council use to determine a new policy regarding beach erosion prevention?

neither groups data should be used because no experiment was done.

group 1s data should be used because they used satellite imagery provided by nasa.

both groups data should be used because they both provide valid information about beach erosion.

group 2s data should be used because they directly measured the

Explanation:

To determine which data to use for beach erosion policy, we evaluate data validity. Group 1 used NASA satellite imagery (reliable, objective), Group 2 likely direct measurement (also valid). Both provide valid erosion info, so combining them gives a better picture. The option "Both group's data should be used because they both provide valid information about beach erosion" is correct as multiple valid data sources (satellite + direct) enhance policy - making accuracy.

Answer:

Both group's data should be used because they both provide valid information about beach erosion.