The answer is A. The cotton gin made cleaning cotton less labor-intensive
D) A baby has around 306 bones.
The skeleton of the baby is made up of mostly cartilage. Most of this turns into bone as the baby develops and by adulthood, the skeleton has only 206 bones.
Answer:
the impact of the Treaty of Versailles following WWI, the worldwide economic depression,
Explanation:
The major causes of World War II were numerous. They include the impact of the Treaty of Versailles following WWI, the worldwide economic depression, failure of appeasement, the rise of militarism in Germany and Japan, and the failure of the League of Nations.
Cell theory. In biology, cell theory is a scientific theory that describes the properties of cells, the basic unit of structure in every living thing. The initial development of the theory, during the mid-17th century, was made possible by advances in microscopy; the study of cells is called cell biology.
Answer:
A prolonged war and greatly increased the number of casualties in the war
Explanation:
In World War I we saw the introduction of chemical weapons, machine guns, artillery, and tanks. All of this resulted in trench warfare and the lack of tactics to fight the new weapons meant that the war would be longer and a lot deadlier than it would have been without those weapons. It dragged for years from one stalemate to another and claimed a lot of lives.