Answer:
I think its bone, air and hence
Explanation:
Decomposers are necessary in the food chain because they return nutrients to the ecosystem (2)
It is used to demonstrate the importance of chlorophyll in photosynthesis. Plant with variegated leaves is de starched and then placed in the sunlight for a few hours, then the iodine test for starch is carried out. The green parts of the leaves will test positive for starch and therefore turn blue black. The non-green parts did not photosynthesize die to absence of chlorophyll and iodine color will remain brown.
Dihybrid Crosses-- Mendel made DIHYBRID CROSSES to determine if certain traits forms... etc.
Answer: in the upper box on the black arrows above the forest is photosynthesis and on the other one in that same circle is cellular respiration. Burning goes on the longest white arrow that goes from fossil fuels.
