Question: Adam wants to show his little brother a trick. He gets a bucket of water and says to him "I bet i can turn this bucket upside down and no water will fall out". His brother doesn't believe him of course. So Adam takes the bucket by the handle and quickly starts spinning it in a circle. Given Adam stops swinging the bucket, will its centripetal acceleration increase or decrease?
Answer: decrease

Question: Danny owned two parcels of land. parcel A had a soil with high salinity levels, while parcel B had a rich and healthy soil. Which parcel had more plants which presented a disruption in the Na+/K+ ratio in the cytoplasm of the plant cell?
Answer: parcel B

Question: John is studying a species in two similar countries, country A and country B. Country A has large population, but country B has small population of that species. John is pondering about how this species would fare in the future in these two countries. In which country the species would find it difficult to reproduce, country A or country B?
Answer:
country A