Match the vocabulary terms to their definitions.

1 .
meter
standard metric unit of length
2 .
hypothesis
a proposed explanation for a scientific problem
3 .
mass
standard unit of volume
4 .
liter
the curved top surface of a liquid column
5 .
control
a quantity in an experiment that remains unchanged or constant
6 .
meniscus
amount of matter in an object

The questions 1, 2, and 5 are already matched in correct order.

Step-by-step explanation:

1. Meter            - standard metric unit of length.

2. hypothesis  - a proposed explanation for a scientific problem.

3. mass            - amount of matter in an object.

4. liter               - standard unit of volume.

5. control         - a quantity in an experiment that remains unchanged  or constant.

6. meniscus     - the curved top surface of a liquid column.

this doesn't make sense lol

by definition, an arc subtended by a central angle of some given measure has the same measure. so .