I believe the awnser is B
C. The Bering Land Bridge once connected what would be Russia and North America but the the movement of these continents separated the land bridge
Creep is a solid material's tendency to deform permanently under pressure or stress.
So, a cracked telephone pole or a broken sidewalk would be examples.
Cover crops suppress weeds and reduce damage by diseases, insects and nematodes. Many cover crops effectively suppress weeds as: a smother crop that outcompetes weeds for water and nutrients. Residue or growing leaf canopy that blocks light, alters the frequency of light waves and changes soil surface temperature.