B. Pioneering research on radioactivity. She discovered Polonium and Radium, and won the 1903 Nobel Prize.
Answer:
I think the answer is C! I may be wrong but the rest don't seem accurate to the history. Good luck!
Answer:
According to Malthusian theory, the size and growth of the population depend on the food supply and agricultural methods. In Boserup's theory, agricultural methods depend on the size of the population. In the Malthusian view, when food is not sufficient for everyone, the excess population will die.
Explanation:
