Direct objects receive the action action of the verb. "Seas" is the subject, "endangered" is the verb, something needs to be the direct object.
Rough seas near Cape Horn endangered the boats in the harbour.
a good answer would be He had a really rough week
raffa is the best
small rough
Rough endoplasmic reticulum is the site of protein for a cell.
I skinnned my leg on the tree's rough bark. The rough seas caused many of our passengers to become ill.
He was too rough for the team.The sea was rough earlier.The texture felt very rough.
Eye-Balling? Rough Guess? Educated guess?
sandpaper
The waves are undulating. The waves are rough.
yes a object will have less surface area than if it is smooth
Friction always resist motion if the object is sliding on surface.
Because there is less traction for an object to grab onto on a smooth surface rather than when an object runs over a rough surface.