Which answer choice most appropriately fits in the blank? cause: erosion and weathering break down rocks into smaller pieces. effect:

a. then, the waves hit rocky cliffs and break the rocks apart.
b. then, the small rock pieces build up and create new rock.
c. then, the rocks and pebbles carried by the organisms to carve out canyons and gorges.
d. then, the wind, sand, and pebbles beat against the rocks and the rocks break

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water