Answer:
it can cause wear and tear and reduces efficiency as energy is lost.
Explanation:
The answer to the question is True
It is correct, the action is paddling, where you move the water backwards, and the reaction is the boat moving forwards.
Answer:
I think the correct answer is B.
Scientists need a standard system of measurement to allow for consistency with measurement data (A). Scientists would not be able to understand what other scientists are saying if everyone uses their own system of measurement. Scientists need to take measurements, interpret them and communicate the results to other scientists. That is why a standardized system of taking measurements has been developed. The International System of Units or the Metric system is the measurement system of choice for scientists all over the world today.