Final answer:
The 4-letter word that as a noun refers to the fuzzy green stuff on bread is 'mold,' which also functions as a verb meaning to shape or form something. The labeling of vowel sounds in various words is also provided with examples of long and short vowel sounds for educational review.
Step-by-step explanation:
The correct answer is b) Mold. As a noun, 'mold' refers to the fuzzy green substance that sometimes grows on old bread. However, as a verb, 'mold' can also mean to shape or form something. Now, let's review the labeling of words based on vowel sounds:
Short or Long Vowel i
- twine - long i
- brim - short i
- disc - short i
- dive - long i
- pike - long i
- grind - long i
- mint - short i
Short or Long Vowel e
- slept - short e
- green - long e
- me - long e
- dense - short e
- fell - short e
- beam - long e
- stress - short e
Additionally, the word 'tackle' contains a stressed short vowel before the [k] sound.
Short or Long Vowel a
- bang - short a
- cake - long a
- fame - long a
- jam - short a
- math - short a
- drain - long a
- lamp - short a
- branch - short a
- tale - long a
- haze - long a