Explanation

Negative integers are all numbers less than 0 (e.g., -1, -2, -3, ...).

They lie to the left of zero on the number line.

Explanation

"Yesterday" shows past tense, so we need the past form of the verb.

The past form of "get" is "got."

Explanation

81 = 3 × 3 × 3 × 3 = 3⁴

All factors are prime, so it's the correct prime factorization.

Explanation

(16 ÷ 80) × 100 = 20%

It shows that 16 is 20% of 80.

Explanation

Fluorine is a halogen, a group of reactive nonmetals in Group 17 of the periodic table.

Other halogens include chlorine, bromine, iodine, and astatine.

Explanation

"Goose" is an irregular noun because its plural is "geese," not "gooses."

Irregular nouns change spelling in the plural form rather than just adding -s/-es.

Explanation

Present continuous tense in active becomes "is/are being + past participle" in passive.

“Are baking” becomes “are being baked.”

Explanation

SOLO taxonomy was presented by Biggs & Collis in 1982.

It describes 5 levels of understanding:

1. Pre-structural
2. Uni-structural
3. Multi-structural
4. Relational
5. Extended abstract

Explanation

"Sky" has only one vowel sound, represented by "y" acting as a vowel.

In this case, "y" sounds like "i" and functions as a vowel.

Explanation

John B. Watson is known as the founder of Behaviorism, a theory focusing on observable behaviors.

He emphasized that behavior can be measured, trained, and changed without considering internal mental states.