Question

question 8 (1 point) an idea, event, or object that can be used to represent something you are trying to explain is a

a model
b constant
c hypothesis
d variable

question 9 (1 point) a measurement standard is defined as

a the interval between two events
b the distance between two points
c a system of prefixes
d an exact quantity people agree to use for comparison

Explanation:

1. A model is an idea, event, or object used to represent something being explained. It simplifies complex concepts for better understanding.
2. A measurement standard is an exact quantity people agree to use for comparison. It allows for consistent and accurate measurements across different contexts.

Answer:

1. a. model
2. d. an exact quantity people agree to use for comparison