Correct answer choice is:
2. Bedrock structure and climate variations.
Explanation:
Factors influencing landscape design incorporate physical, geological, topographical, climatic, regional vegetation features, and material and available technology.
In this connection, it is essential for the designer to recognize the land features of the design space, climatic circumstances, environmental and individual circumstances by executing field studies before beginning work. Thus, the design will be more long-lasting and sustainable.