In late winter and spring chunks of rock often fall off of the cliff in the picture. what most likely causes the chunks to separate from the cliff?
a.
water flowing over the cliff gradually carries away rocks and debris.
b.
water freezes in the cracks between the rocks and pushes them apart.
c.
wind blowing on the cliff loosens the chunks of rock.
d.
air pollution causes a reaction that widens the cracks between the rocks.

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

What processes take place before the mature mrna exits the nucleus?

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