GIVING 25 POINTS AND BRAINLIEST TO WHOEVER ANSWERS FIRST! YOU HAVE TO GIVE A REAL ANSWER TO THE QUESTION THO! Picture shown below

Orion the hunter is known for two navigational stars. which pair of stars are they?

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

Explain the cause for movement river valley civilization to early industrial centers