Correlation between two variables means that as scores on one variable increase, then scores on another variable also increase.
A) A negative
B) Νο
C) A neutral
D) A positive

answer is D

Well, l think that some effective communication is, emotional barriers and lack of attention, interest distraction or irrelevance. also some physical disabilities such as hearing problems or speech difficulties.      l hope i am correct  and you good luck.

Little kids are eat dirt all the time so im sure you are fine

The lungs are the bags that hold air as it is inhaled oxygen gas that is in the air moved into the blood-and the heart pumps to move this oxygenated blood to cells in the body that need energy