Ahypothesis instead of a guiding question is most likely used in which of the following?

case study
scientific experiment
observation
survey

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

Can someone i have no idea of how to do this.