Problem: David was studying the processes involved in a machine. He collected a simple machine. He tagged it as case A. To compare it with compound machines, he collected two compound machines, case B and case C. Case B is a compound machine with few simple machines. And, case C is a compound machine with many simple machines. Which machine would change the force applied to it more, case B or case C?

A: case C

Problem: A team of geologists studied two islands. Large island had a lot of seismic activity, and Small island that presented almost no seismic activity. Which island provided the scientists with more info about what makes up the Earth's interior?

A: Large

Problem: John is learning about different states of matter. So far, he recognized three states of matter, state A, state B, and state C. State A is in solid state. State B is in liquid state, and state C is in gaseous state. He needs to learn more about their individual characteristics. Which state would most likely be lighter, state A or state B?

A: state B

Problem: Two farmers, Tom and Brad, applied different farming methods. Tom tilled his land, while Brad applied the no-till gardening method. Which farmer had a soil that took less to dry in spring?

A:
Tom