Answer:
trial and error.
Explanation:
a problem solving method that involves trying all possible solutions until one works is using trail and error.
Answer is B. both potential and kinetic energy.
Answer: the answer would be C trust me i took the test if its not that its b
hope that helps
Explanation: i took the test
Answer:
1. Increase Efficiency: Insulating the condensate or hot water return lines reduces heat loss from the water returning to the boiler. The hotter the water returning to the boiler is, the quicker it is to convert back to steam, which takes less energy to accomplish.
Explanation:
B. it was necessary to see data from more plants before the conclusion could be accepted.
