Answer:
Gas Poisoning
Explanation:
World War I marked one of the biggest jumps forward for weapons of death and destruction. Many who came back were affected for the rest of their lives by the mustard gas that they were exposed to in the trenches of France.
Phagocytes are the Leukocytes that respond to nonspecific foreign invaders. While Lymphocytes respond to specific invaders. These are components of the blood that are triggered by the immune system when invaders (e.g. bacteria, virus) enter the body. Without these components in the blood, the body will not be able to protect itself from numerous diseases. These are major defense mechanisms of the body.
Egypt was settled along the Nile river
An operation in where the USSR tried to revolutionize france
