Which is the best example of physical weathering? *

A) The cracking of rock caused by the freezing and thawing of water
B) The transportation of sediment in a stream
C) The reaction of limestone with acid rainwater
D) The formation of a sandbar along the side of a stream

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

Hybrid instruments that play sounds that are part sampled and part synthesized are known as:

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center