I believe the answer is C, Sedimentary rock.
Hope this helps.
Use less fossil fuels, drive cars less, (stop releasing their carbon gases), and recycle.
Answer:
immediate hypersensitivity is a correct answer.
Explanation:
Allergy to pollen is classified as immediate hypersensitivity.
Immediate hypersensitivity is a type I hypersensitivity induced by an antigen called allergens like dust, pollen grains, etc.
Immediate hypersensitivity is a type of allergic reaction.
It occurs through the exposure to allergen by inhalation, through direct contact or by ingestion.
Thus Allergy to pollen is classified as immediate hypersensitivity and it is IgE mediated allergic reaction.
I don't know if they might be tricking you or something but I believe the only level of organization found in the human heart is: organ.
HOPE IT HELPED! :)
Answer: Saturated
Explanation: Good luck! :D