What are your answer choices?
Answer:
they contain hymoglobin
Explanation:
the red pigment in blood cells
Answer:
a depressive and monotonous atmosphere as well as a happy, exciting and stimulating one. Appropriate colors are important in terms of protecting eye health, providing a creative and productive space and protecting physical and mental health.
Explanation:
i hope this helps.
Answer:
The lens
It helps to focus on objects and light
