Question

how did people first become aware of the healing properties of plants?
select one:
a. they were taught by european explorers.
b. they learned from the chinese.
c. they learned from indian holy books.
d. they observed animals using the plants.

Explanation:

This question is about how people first discovered the healing properties of plants. Option A is incorrect as European explorers came later in history and were not the first to introduce plant healing properties. Option B is not the first source as the knowledge predates such a specific cultural - to - cultural transfer in a "first" sense. Option C, learning from Indian holy books, also implies a more developed stage of knowledge recording rather than the very first discovery. Option D, observing animals using plants, is a more primitive and likely first way of discovery as early humans could have noticed animals self - medicating.

Answer:

D. They observed animals using the plants.