One test currently done to positively identify individuals infected with SARS-CoV-2 is Group of answer choices to identify the viruses under an electron microscope ultracentrifuge blood samples to concentrate enough viruses so that they can be looked at using a light microscope. real time RT-PCR all of the above

The real-time RT-PCR

Explanation:

Due to technical problems, you will find the complete explanation as an attached file.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.