Match the phrase to its acronym.
1. sound navigation ranging
scuba
2. zoning improvement plan
sonar
3. radio detecting and ranging
shud
hud
4. national aeronautics and space administration
5. housing and urban development
nasa
2 zip
radar
3
6. self-contained underwater breathing apparatus

Sound Navigation Ranging - SONAR

Zoning Improvement Plan - ZIP

Radio Detecting and Ranging - RADAR

National Aeronautics and Space Administration - NASA

Housing and Urban Development - HUD

Self-Contained Underwater Breathing Apparatus - SCUBA

Explanation:

Since acronyms are just abbreviations of words, let's take a look at those words.

Self-Contained Underwater Breathing Apparatus

Sound Navigation Ranging

Radio Detecting and Ranging

National Aeronautics and Space Administration

Housing and Urban Development

Zoning Improvement Plan

We're going to take these and bold the parts that would probably make up an acronym- usually the first letters.

1. Self-Contained Underwater Breathing Apparatus - SCUBA

2. Sound Navigation Ranging - SONAR

6. Radio Detecting and Ranging - RADAR

4. National Aeronautics and Space Administration - NASA

5. Housing and Urban Development - HUD

6. Zoning Improvement Plan - ZIP

bc

explanation:

because it crosses through the circle twice

the purpose of the heading in the passage is to identify who is telling the story.

this excerpt is part of the book sugar changed the world (2010) written by marc aronson and marina budhos. as the book has been written by two people, the heading "marc" indicates that this specific excerpt is being narrated by aronson. in the fragment, marc describes his grandfather's story after hearing it from his cousin. however, there are other excerpts where budhos is the one that tells the story of her family.

aronson and budhos, who are husband and wife in real life, decided to write sugar changed the world when they found out how sugar, which had an important role in slavery and economy, changed their ancestors' lives.