What Development Led to the Emergence of the Modern Skyscraper

question 9

Multiple Choice

What development led to the emergence of the modern skyscraper in the 1890s?

• A) The invention of the elevator
• B) The advent of structural steel
• C) The decline of corporate power
• D) The advent of cast iron

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Definitions:

Vascular Tissue

The system of tubes in plants that conducts water, minerals, and nutrients.

Phloem

In plants, the network of tissues responsible for carrying sugars and metabolic outputs from the leaves to the lower parts.

Tunicate

Invertebrate chordate that loses most of its defining chordate traits during the transition to adulthood.

Tunic

A layer or covering, often referred to in biology as the outer, fibrous covering of organisms such as tunicates or the covering around certain seeds.