Pls help me asap

Q 1. Tim wrote the following characteristics of two landforms.

Landform A: Has marshes and swamps Landform

B: Is formed when limestone bedrock dissolves

Which statement is most likely correct?

1. Landform A is a glacier and Landform B is a ridge.

2. Landform A is a plateau and Landform B is a river.

3. Landform A is a wetland and Landform B is a karst landform.

4. Landform A is a karst landform and Landform B is a mountain.

Q 2. How is Earth's surface most likely to change in a cold place that experiences rainfall?

A. Soil will loosen due to extensive network of tunnels.
B. Rocks will break due to repeated abrasion and stress.
C. Mounds of sand will form due to deposition of sediments.
D. racks will appear in rocks due to freezing and thawing.