Answer:
c
Explanation:
because this is a footprint its a type of trace
Answer:
I believe it's two, gunpowder and crossbow
Explanation:
The soonest realized crossbows were designed in the main thousand years BC, not later than the seventh century BC in old China, not later than the fourth century BC in Greece (as the gastraphetes).
Gunpowder was developed in China at some point during the main thousand years AD. The most punctual conceivable reference to gunpowder showed up in 142 AD during the Eastern Han administration when the chemist Wei Boyang, otherwise called the "father of speculative chemistry", expounded on a substance with black powder like properties.
Can you put a picture of the excerpt?
B could be rewritten, like so -
From "See if the light is red or not illuminated at all, now check that the ethernet cable connecting the router and computer is securely attached"
To "Check if the light is red, or not illuminated at all. IF so, THEN check the ethernet cable connecting the router to the computer is securely attached"