<span>During the Middle Ages, China made the fewest recognized scientific discoveries compared to the others.</span>
For letter a, it is not advised to cut towards yourself. Although you might not harm the people surrounding you, you can't afford to risk yourself. For letter b, do not apply so much force. Just apply the minimal force, just strong enough to cut through. For letter c, you have to wear the goggles all the time for safety purposes. For letter d, I think this is the answer. When you only want to cut the skin, it would be better to use scissors.
A is the answer
because
C and G binds together
A and T binds together
AND so on....
They lack many properties of living things, such as not being able to reproduce without a host
