Answer:
Doctors use microscopes to spot abnormal cells and to identify the different types of cells. This helps in identifying and treating diseases such as sickle cell caused by abnormal cells that have a sickle like shape.
D. Gene splicing. They remove specific genes in order to create a transgenic organism.
It doesn’t give you any answer choices ?
The answer would be 2,500 m/s because the football is 5 times bigger, so it has to go 5 times faster to equal the speed.