Answer:
C. Trees with thin trunks
D. Fewer species of plants
Explanation:
If a forest has been logged once and regrew, that is a second-growth forest. Some characteristics:
- Thin tree trunks
- Fewer species of plants
- Little light reaching the forest floor
- Very high density of trees
Answer: Earth reinforcing
Explanation: Earth reinforcing is a method of strengthening the soil/ground when constructing foundation by combining materials such as steel or concrete to the soil. It is especially useful for the construction of conventional retaining walls or mining structures.
Historically, steel nets were used on areas with soft clay, such as sea beds. Some materials used now include Geonets and geogrids.
The answer is c hope this helps
The Sierra Madre del Sur range and the Sierra Madre Occidental. The Sierra Madre Occidental is a major mountain range system of the North American Cordillera, that runs northwest–southeast through Northwestern and Western Mexico, and along the Gulf of California. <span>The Sierra Madre del Sur joins with the </span>Eje Volcánico Transversal<span> (Trans-Mexican Volcanic Belt) of central Mexico in northern Oaxaca.
Sites: wiki </span>