Answer:
B or O
Explanation:
The same type (B) or the universal donor (O) In transfusions individuals with type O blood are often called universal donors.
Compaction and cementation
to regulate what comes in and leaves the cell
Answer:
Questions need to have independent variable and dependent variable.
independent variable in this case would be :
phone usage
classical music
counting sheep
dependent variable in this case would be :
hours of sleep
So ask questions like
Will phone usage decrease the hours of sleep students get each night?
Will listening to classical music increase the hours of sleep students get each night?
Will counting sheep increase the hours of sleep students get each night?
