Movie about Gettysburg address
The other two options are primary sources, while the movie was not made at that time. <span />
Answer:
Project development is the process and the facility of planning, organizing, coordinating, and controlling the resources to accomplish specific goals. The process takes a transportation improvement from concept through construction.
Answer:
Wave interference occurs when waves interact with other waves. Constructive interference increases wave amplitude. Destructive interference decreases wave amplitude.
Explanation:
Answer:
A horizon or Topsoil
Explanation:
A horizon or Topsoil is also called the humus layer because it is rich in organic material. This layer consists of small dead animals like bugs, decomposed material and organic matter.
Because of the hummus, the topsoil is soft and porous therefore it allows it to hold enough air and water. This layer is responsible for the germination of seeds and roots of the plants. Also, Many living organisms like earthworms, millipedes, and centipedes, bacteria, and fungi are found in this layer of soil.