Answer:
D. Sanitary landfill
Explanation:
In a sanitary landfill, waste is separated from the surrounding environment using a system of layers designed to allow waste to decompose safely.
Neurotransmitters work locally and their actions are very fast. Both hormones and neurotransmitters act as chemical messengers in the body. However, neurotransmitters' actions are short-lived while hormones act for longer periods of time. Neurotransmitters are delivered through the bloodstream, whereas hormones are found primarily in the synaptic cleft. Hormones are mostly released by glands, whereas neurotransmitters are made in the cell body of the neuron.
Answer:
C. The Workers
Explanation:
Communism is a political and economic system that seeks to create a classless society in which the major means of production, such as mines and factories, are owned and controlled by the public.
D. because Facebook averages about 1.7 billion users everyday!
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