Why does genetic drift have more of an impact on the evolution of small populations than large ones?

When an object is moving away from you while still making a sound, the pitch of the sound is perceived to a. lower b. unchanged c. fluctuating d. higher

Slab pull is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere, causing

Which statement is true regarding weathering in dry environments? a) chemical weathering is absent because of a lack of humidity. b) physical weathering is usually more evident than chemical weathering. c) it is impossible to identify the type of weathering that has occurred. d) physical weathering does not play a significant role in dry environments.