It measures the oceans depth!
It is positive because our body needs 37C to perform metabolism properly so sweating helps to balance the temperature. We lose water but water is generally provided to body by drinking or any food that has water.
It is type A because A and B exhibit incomplete dominance
The main thing that Stanley Miller's experiment in 1953 illustrated regarding the origins of life was that "<span>a. It produced the chemicals of life by simulating earth's early conditions" since he shot a beam of light through different chemicals. </span>