Q: Mike was interested in the science behind polar compounds. To that end, he collected two compounds, compound A and compound B. Compound A was a polar compound, but compound B was a nonpolar compound. He then conducted two tests, case A and case B. In case A, he changed the state of a polar compound from solid to liquid. And, in case B, he changed the state of a nonpolar compound from solid to liquid. Which test would need higher temperature, case A or case B?
A: case A

Q: Two coastal Canadian towns, Hammond and Soundville decided to start sand mining to bring more money to their budgets. A few months later however, Hammond decided to stop all mining operations and find other sources of income. they wanted to protect the environment. Which village harmed fewer corals?
A: Hammond

Q: Ben visited two states. Washington state, which had many wildfires year-round, and Oregon, state which had almost no wildfires. Ben enjoyed the visit and planned to return. Which state had more people inhaling carbon dioxide from the wildfire smoke?
A: Washington

Q: Adam and his older brother Chris were born almost 15 years apart from each other. Adam is 27 now which means Chris is 41. Lately Chris has started noticing grey hairs come in. When Adam and him play games together Chris also seems to lose more often now even though historically he has always been better. Which brother is likely experiencing a decline in strength, Adam or Chris?
A:
Chris