Question

Science! Check my answers.

Answer 1

1. Which of the following correctly identifies an SI unit and the tool that is used to measure it?
meter; ruler ( I also think it's this answer)
degrees Fahrenheit, thermometer
gram; scale
milliliter; meniscus

2. Why do scientists use standard units of measurement?
A: because their tools only measure in these units
B: because other units are either too small or too large to work with
C: so they can communicate finding without confusion. ( I think it's this answer)
D: so that people who are not scientist can understand them

3. How do light microscopes work?
A: Light microscopes use an eletron beam to create an image of a specimen
B: Light microscopes use a combination of light and lenses to magnify a specimen ( I think this is the answer)
C: Light microscopes use a tiny tip that traces a specimen englarging it.
D: Light microscopes use a laser light to scan a specimen and send data to a computer to create an image. (But I also think it's this one)

Answer 2

yep