When a Country's Exports Exceed Its Imports,the Nation Has a ________

question 4

Multiple Choice

When a country's exports exceed its imports,the nation has a ________.

• A) trade surplus
• B) trade deficit
• C) negative balance of trade
• D) A and C

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Definitions:

Enzyme

Biological molecules that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.

BRCA1 Gene

A gene that produces a protein responsible for repairing damaged DNA. Mutations in this gene can lead to an increased risk of developing breast and ovarian cancer.

Positive Selection

A process in evolutionary biology where advantageous genetic mutations are selected for, leading to evolutionary changes over time.

Hereditary Breast Cancer

Breast cancer that is associated with inherited gene mutations, significantly increasing the risk of developing breast cancer in family members.