I would say id depends if you care about people any color, or size.
Answer:
Terrain, climate, soil properties, and soil water.
Explanation:
Environmental factors such as terrain, climate, soil properties, and soil water are the factors that determine a specific crop could be transplanted into a new region because the crop needs these factors for better growth and development. Climate is the major factor because different plants needs different type of climate so the crop fits only in that climate at which they have tolerance. If a plant have more water requirement does not survive in desert or arid climate.
The correct answer is option C: someone diagnosed with smallpox.
The person that would have been most grateful for the work of 19th-century scientist Edward Jenner, would be someone diagnosed with smallpox because Jenner was who discovered the first vaccine against the smallpox virus. Moreover, this disease that was widely spread in the 18th century and killed many people.
