Question

How does a dropper allow a scientist to control something?
Responses

A dropper is a tool that allows a scientist to control the amount of liquid that she heats up and changes to water vapor.
A dropper is a tool that allows a scientist to control the amount of liquid that she heats up and changes to water vapor.

A dropper is a tool that allows a scientist to control the amount of heat that she transfers to a cool object.
A dropper is a tool that allows a scientist to control the amount of heat that she transfers to a cool object.

A dropper is a tool that allows a scientist to control the amount of liquid that she puts on a surface or in a container.
A dropper is a tool that allows a scientist to control the amount of liquid that she puts on a surface or in a container.

A dropper is a tool that allows a scientist to control the amount of weight that she puts on another object.

1 answer

The correct response is:

A dropper is a tool that allows a scientist to control the amount of liquid that she puts on a surface or in a container.

A dropper is specifically designed to dispense precise amounts of liquid, making it useful for experiments where accurate measurement of liquids is necessary.