Student question: Can spiders help eggplant farmers control parasites?
Teacher response: The detailed solution is: The potato tuber moth is a parasite that targets the plant family Solanaceae, including eggplant. Selenops radiatus is a spider genus in South Africa that effectively controls the potato tuber moth..

Student question: Does the density of helium cause voices to sound deeper?
Teacher response: The detailed solution is: Helium is less dense than air. Sound travels more quickly through helium than it does through air. When sound travels more quickly, the tone of it raises and sounds higher..

Student question: Would somebody leave reiki with bruises?
Teacher response: The detailed solution is: Bruises are caused by blunt trauma to the body. Reiki is performed without touching the recipient..

Student question: Is helium the cause of the Hindenburg explosion?
Teacher response:
The detailed solution is: The Hindenburgh was filled with hydrogen. Helium is considered a noble, inert gas that doesn't react. Hydrogen is highly flammable..