Risk Group 4 agents cause serious or lethal human or animal disease and are readily transmitted. Effective treatment and preventive measures are not usually available. Examples include: Smallpox virus, Ebola virus. No bacteria, fungi, or parasites in this group.
Answer: B. Increased human capital increases productivity.
Explanation:
More educated women in developing countries means that they can get better opportunities like a high-skill job or start a business. Options A) and C) are true but not directly related to the question.
Answer:
The Himalayas in the west and the Gobi in the north were two important geographic barriers. They made the spread of ideas and goods between the ancient Chinese and others outside the region difficult. The early Chinese were so isolated that they came to believe that China was the world's only civilization.
Explanation:
