A rock in a harsh desert is slowly breaking down over time. Temperatures in the desert rise quickly during the day and fall quickly at night. These temperature changes cause stress in the rock, and as a result, it is slowly breaking apart.
Which of the following processes is happening to this rock?
A. erosion by water
B. physical weathering
C. erosion by ice
D. chemical weathering
Please select the best answer from the choices provides

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

Asimilarity between the governments of israel and iran is that a both are considered democracies b. both are ruled by a prime minister c. both give men and women voting rights d. neither allows political parties to exist

City 24-hr average yearly temperature in ºc total yearly precipitation in mm minsk, belarus (former ussr) (53° n, 27° e) shanghai, china (31° n, 121° e) baltimore city, usa (39° n, 76° w) helsinki, finland (60° n, 24° e) banff, canada (51° n, 115° w) kuala lumpur, malaysia (3° n 101° e) 26.5 2393.6 buenos aires, argentina (34° s, 58° w) jakarta, indonesia (6° s, 106° e) questions 1. what factor contributes most to the warm climate of kuala lumpur? 2. banff and minsk are located at similar latitudes. what could account for banff’s average yearly temperature being lower than minsk’s? 3. which city’s climate is most similar to jakarta, baltimore or kuala lumpur? explain your answer. 4. shanghai and buenos aires have located thousands of miles apart and in different hemispheres, yet their climates are similar. what reasoning could explain this?