How many kingdoms are in the domain Eukarya?

Granite rock is light in color. which feature directly contributes to this color? the process that forms granite the amount of silica minerals in granite the shape of the grains found in granite the unique pattern formed by grains in granite

What is the farthest destination to date for a human spaceflight mission?

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from