The sentence that contains a present participle of the verb <em>to collect</em> is sentence B.
Explanation:
A participle typically expresses present action with respect to the time expressed by the finite verb in its clause and that is formed by adding the suffix -ing. The present participle is used in the formation of the progressive or continuous tenses. In the sentence above, you can see that the event is taking place now if you add <em>now </em>(see A).
It was beneficial because it brought many new foods and livestock to different parts of the world promoting more agriculture It was detrimental because the Europeans killed over 90% of the Native American population
