When a Particular Solid Sample Is Examined Under a Microscope

question 17

Multiple Choice

When a particular solid sample is examined under a microscope it is observed that there are regions which are black and regions which are yellow. What type of material is this sample?

• A) a compound
• B) an element
• C) a homogeneous mixture
• D) a heterogeneous mixture

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Definitions:

Overdraft Protection

A financial service that prevents checks, withdrawals, and other transactions from resulting in a negative account balance, often by linking to another account or providing a line of credit.

Federal Law

Laws passed by the national legislature of a country, applicable throughout the country.

Dishonored Check

A check that a bank refuses to pay, usually because the account holder does not have enough funds.

Provisional Credit

Temporary credit issued by a bank to an account holder, often while disputes or errors are being resolved.