According to History,the Concept That All Matter Is Composed of Atoms

question 158

Multiple Choice

According to history,the concept that all matter is composed of atoms was first proposed by

• A)the Greek philosopher Democritus,but not widely accepted until modern times.
• B)Dalton,but not widely accepted until the work of Mendeleev.
• C)Dalton,but not widely accepted until the work of Einstein.
• D)Dalton,and widely accepted within a few decades.

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Definitions:

Cuticle

In plants, a waxy layer covering the epidermis of plants, that protects the plant against water loss and disease-causing organisms. In animals, an outer covering that protects and supports the organism.

Phloem

The vascular tissue in plants that transports sugars and other metabolic products from leaves to other parts of the plant.

Parenchyma

A type of plant tissue comprised of living cells that are often soft and fleshy, involved in photosynthesis, storage, and transport.

Trichomes

Small hair-like appendages on plants that serve various functions including defense against insects and reducing water loss.