Problem: OPTIONS:
- light
- pollution
- sound
- electricity
Q: Q: The best thermal conductors are also the best conductors of what, which is also related to the density of free electrons in them? A:
Answer: electricity

Problem:OPTIONS:
- ascorbition
- affixation
- ablation
- abscission

Q: What is the scientific term for the dropping of leaves, fruits, and flowers, which led to the naming of an acid thought to play a role in the process? A:
****
A: abscission

Q: Acne and different types of cancer can affect what large organ? A:
OPTIONS:
- liver
- lungs
- brain
- skin
skin

Q: Fungi cause three different types of human illness: poisonings, parasitic infections, and what? A:
OPTIONS:
- diarrhea
- diabetes
- heart disease
- allergies

Answer: allergies

Question: Q: What is the process of moving air into and out of the lungs called? A:
OPTIONS:
- naturalization
- hydration
- insulation
- ventilation
Answer: ventilation

input: OPTIONS:
- structural pigments
- muscular pigments
- fat pigments
- respiratory pigments Now, answer this question: Q: What circulates with the blood or hemolymph and are often contained within specialized cells A:
A:
output:
respiratory pigments