Why is it that all humans have fair toned palm but our actual skin colour isn't the same?​

What type of competition exsist between two species. turtles and fish

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.