During chemical weathering Group of answer choices rock fragments are combined into larger pieces. the mineralogy of previously existing rocks changes. minerals crystallize as water evaporates. All of the above changes take place.

Which are results of technological advances? increased people's exposure to new ideas created a global culture valued by people around the world brought harmony to diverse groups of people reduced the number of people living in rural areas

Which of the following east asian contries are a peninsula? a. china b. taiwan c. south korea d. mongolia

Can someone me with this plz? ! i'm putting 20 points on it!