Which blood samples can be tested with blood type b+ reccesive?

How does the human body lever work?

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.