The blood group b is almost absent in native americans, whose ancestors arrived in very small numbers about 10,000 years ago. which factor is responsible for this phenomenon?

As , plants meet their needs for making food from air, soil, water, and the sun's energy in a process called there are plants called grow high in trees without here are words to put in the blanks. 1.) producers 2.) consumers 3.) chloroplasts 4.) epiphytes

How many major plates cover the earth

If your blood becomes too concentrated with iona, what will happen to the red blood cells