Problem: Peet farm was supplying a nearby city with organic milk. Toad farm was a competitor on the same market, but they didn't produce organic milk, they used conventional agricultural methods. Which farm had an increased land use per ton of milk?

A: Peet

Problem: John works for the NSF. He has two research proposals in front of him, case A and case B. Both are looking for further funding. Case A research has been replicated by other researchers, but case B research could not be replicated by others. He needs to decide which research should get further funding. For which reasearch John should offer funding, case A or case B?

A: case A

Problem: Mike likes to visit places. This winter he is visiting Greenland. First, he visited Lake A, which is very small. Then he visited Lake B, which is huge. While visiting Lake B he went to a local pub. There he heard other tourists talking about two nearby glaciers, glacier C and glacier D. They said that glacier C had a snowfall and the snow became part of the glacier, but glacier D didn't have any snowfall. Mike is getting ready to visit those glaciers. Which glacier would have denser ice?

A: glacier C

Problem: Sam is going to visit his grandfather. His grandfather lives in a retirement home and can barely take care of himself anymore. Will Sam's grandfather have a strong or weak immune system given his age?

A:
weak