During certain times of the year, the gulf of mexico experiences hypoxic conditions (oxygen depletion). this is known as a dead zone. what is responsible for the emergence of dead zones in the gulf of mexico? 1points a fertilizer runoff from agriculture has polluted the water so much that there is more chemicals dissolved in the water than oxygen. b algal blooms from fertilizer runoff eventually die and decompose. when they decompose, the decomposers use much of the oxygen in the water. c high levels of trash pollution absorb dissolved oxygen in the water creating depleted oxygen levels. d the water that feeds into the gulf from the mississippi river has less oxygen in it than the water in the gulf, resulting in areas with less oxygen.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

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.

its temperature is increasing. this causes molecular vibrations to increase.

your answer would be a, maximum exploitation of resources.