What could the hardness of a mineral be if it can be scratched by your fingernail?

Blood, made up of red and white blood cells, work together to form

Which must be kept in mind when determining if an explanation is correct? check all that apply.which must be kept in mind when determining if an explanation is correct? check all that apply.

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome