It helps make the hair grow faster and gives it nutrients
<span>Schizophrenia
This is a mental disorder characterised by failure to understand what is real and abnormal social behaviour .
Studies across 20 countries have shown a strong link between smoking and schizophrenia .</span>
D, light can travel in the air or a vacuum and the speed is constant whether the light source is stationary or moving.
Answer:
Mutualism
Explanation:
When the two different population species interact in such a manner that it is beneficial to each other, then this form of interaction is called mutualism.
