Which sequence shows all the spectral colors of visible light arranged in an increasing order of their frequency? A.
red, yellow, orange, blue, green, indigo, and violet
B.
red, orange, yellow, green, blue, indigo, and violet
C.
violet, indigo, blue, green, yellow, orange, and red
D.
violet, indigo, green, blue, orange, yellow, and red
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albert einstein retrieved guacamole from the galapagos islands in africa

it enhances antibody production by t cells of the adaptive immune system.

hope i'm right

explanation:

answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.

d. planting trees

the trees take in carbon to make oxygen.