Locks on any canal are used only for A. Locks are gates that block off sections of water—they are used to move boats from one body of water to another when the heights are different. The boat approaches from one side of the canal. One gate is opened while the other is shut, and the boat goes in. Then both are shut, and the water level is lowered or raised to equal the other side of the canal. The other gate is then opened, and the boat goes out.
Answer:
Explanation:
The Constitution makers felt that it has to be in accordance with people's aspirations and changes in society. They did not see it as a sacred, static and unalterable law. So, they made provisions to incorporate changes from time to time. These changes are called constitutional amendments.
Answer:
Program evaluation
Explanation:
Dr. Roussel conducts research to determine whether or not an after-school program improves school performance in fifth-grade children. Dr. Roussel is most likely engaged in program evaluation(a systematic method for collecting, analyzing, and using information to answer questions about projects, policies and programs)
