LUOA Earth Science 3.9.2 (Weathering) Latest 2023 Graded A

LUOA Earth Science 3.9.2 (Weathering) Latest 2023 Graded A What is weathering? the changing of rocks at the Earth's surface due to exposure to certain variables The heating and cooling of rocks causes them to expand and contract. When this happens, pieces of rock flake off in a process called _________________________. It can also happen from pressure being released on the surface. exfoliation When lichen and moss grow on rocks they begin the process of ____________. biological weathering due to pressure When water freezes it ______________________. expands approximately 10% How do giant piles of rounded rock form? (Select all that apply) they experience ice wedging they get cracks from freeze - thaw cycles clay minerals in the rock wash away Underground caves form from ________________________. water seeping down, forming carbonic acid, dissolving the limestone Which is not a form of chemical weathering? (Choose 2) 1. gravity 2. wind In what type of environment would limestone be chemically weathered? (Choose 2) 1. moist and cold 2. moist and hot A marble statue is in a botanical garden near a factory that produces sulfur dioxide. What will most likely happen to the statue over time? the statue will start to deteriorate due to the effects of acid rain Carbonic acid _________. is a weak acid that occurs naturally