Before the Invention of Modern Abrasive Cleansers, Which Feature of Horsetails

question 12

Multiple Choice

Before the invention of modern abrasive cleansers, which feature of horsetails was used by humans to scrub pots and polish metals?​

• A) ​waxy spores
• B) ​silica-rich leaves
• C) ​lignin-rich leaves
• D) ​cones at the tips of their stems
• E) ​silica-rich stems

---

Definitions:

Zooplankton

Microscopic organisms drifting in oceans, seas, and bodies of fresh water, which serve as a crucial food source for many marine species.

Invasive Species

Non-native organisms that significantly alter or damage the habitats they invade, often outcompeting local species and leading to biodiversity loss.

Habitat Fragmentation

The process by which habitat loss results in the division of large, continuous habitats into smaller, more isolated remnants.

Local Extinction

The condition in which a species disappears from a particular area but continues to exist elsewhere in the wild or in captivity.