What video ? Could you provide the link I am confused
That's 11 to 20 lbs. (about 5 to
9 kg)
A- Gravity. I believe it is gravity since that is the only one that makes sense in this situation. I hope i helped! :)
When a specimen is to be observed under the light microscope, scientists usually stain the specimens using different type of chemical stains depending on the type of specimen to be observed. Staining of specimen make the structures that are to be observed in the specimen very visible under the microscope, this make it easy for scientists to observe their structures.
