No they do not. Even if they did, they live in water so. Hope this helps!
4.a
5.d
those are the only ones i'm 100% sure about.
It is the air which you are respirating till now
Bloodletting is the process of removing some parts of the blood and most commonly done for therapeutic reasons. But when bloodletting that is done by leeches, it is definitely not a good technique as this could bring more harm than good to the person.
Answer:
A superordinate goals can be described as as important tasks that make certain individuals to forget their differences if any and work together to accomplish that important task. It is a task that cannot be done privately and helps to increase the cooperation among individuals who otherwise had differences. The superordinate tasks hence help people to forget their differences and work together.
For example, Two individuals of a family who previously had differences among themselves have to work together to lift up and move a heavy table.
