Write (T) for true and (F) for false. 1. Carbon dioxide from the atmosphere dissolves in rainwater and forms carbonic aci 2. Weathering follows the process of erosion. 3. Degradation is the process of lowering down of the Earth's elevated landforms. Coal is an example of organic sedimentary rocks. Most igneous rocks are composed of basalt or marble Differentiate between the following: 1. Exogenic and endogenic forces 5. 2. Aggradation and degradation