Q: Bill was studying the states of matter. First, he selected a matter with low boiling point. He labeled it as matter A. To compare it with a well-known matter he selected water. He labeled it as matter B. He also selected ice, which he labeled as matter C. He is now better prepared to compare their states. Would matter C have higher or lower density than matter B?
A: lower

Q: Many pro cyclists joined 2 races this month: Bay village race on the 17th, and Hill village bike race on the 25th. Bay village race took place on the shores of the nearby bay, while Hill race took place on the hills and valleys 10 miles away. Bay village race competitors experienced bad weather: a thunderstorm took place during the first hour of the competition. Which race had fewer cyclists experiencing a lower risk of loss of control?
A: Bay

Q: Rob is competing in a cross country race. After running about a mile he reached a place with two signs, sign A and sign B. Sign A says that it's a quicksand. But sign B says that it's not a quicksand. He has to decide which way to go. Which way would have spongy texture, sign A or sign B?
A: sign A

Q: Carrie bought two parcels of farmland. The Northern one had soil with lots of arbuscular mycorrhizal fungi, while the Southern parcel had almost no traces of AM fungi. Which parcel had plants allocating more carbon to AM fungi?
A:
Northern