The cracking of rock due to heat is an example of . A. Erosion b. Physical weathering c. Chemical weathering d. None of the above Please select the best answer from the choices provided A B C D.

How did the movement of soldiers during world war 1 contribute to the global influenza (flu) pandemic of 1918 to 1919, which killed millions of people

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )

Good scientists always report their observations and results truthfully. this is especially important when a scientist's results go against previous ideas or predictions. coming up with inventive ways to solve problems or produce new things