Archimedes (287 bc - 212 bc), a greek physicist, found that when an object floats on water, the volume of water displaced is equal to the volume of the object itself. today, this idea is used to find the weight of ships. what can be concluded from this?
a) all scientific knowledge of the greeks is still applicable today.
b) some scientific knowledge is accepted even if there is no evidence.
c) ancient scientific discoveries are often applicable in the modern world. d) this idea, proposed by archimedes, is the only ancient idea that is still applicable.

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.