During the Early and Mid-1900s, Scientists Used ____ to Identify

question 29

Multiple Choice

During the early and mid-1900s, scientists used ____ to identify the sources of many infectious diseases and developed crude but effective treatments.

• A) telescopes
• B) microscopes
• C) magnifying lenses
• D) x-rays

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Definitions:

Weighted Average

A calculation that takes into account the varying degrees of importance of the numbers in a data set, assigning weights to each number before averaging.

Ordinary Shares

Equity securities representing ownership in a company, entitling holders to vote on corporate matters and share in profits through dividends.

Dilutive Securities

Financial instruments that could reduce earnings per share if converted to common stock, such as warrants and convertible bonds.

Weighted Average

A calculation that takes into account the varying degrees of importance of the numbers in a data set, assigning weights to some of the numbers more than others.