I think it A. you welcome.
I believe the answer is: Audiences
Audiences refers to the people who gathers together in order to watch a certain event. This word could applicable not only to sport, but also art related event such as drama and opera , or social event experts' public discussion, political speech, etc.
The Marin Carbon Project (MCP) achieves carbon sequestration in rangeland and agricultural soils through research and development of scalable, repeatable “carbon farming” techniques. CCI’s Agricultural Carbon Program supports the Marin Carbon Project through applied research, policy advocacy, and development of economic incentives for producers and land managers. MCP recently demonstrated that the use of compost as a rangeland soil amendment can significantly increase rates of soil carbon sequestration, directly removing atmospheric carbon. MCP is now building on this work with additional, diverse demonstration sites and the development of a rigorous protocol that will enable land managers in California and beyond to sequester carbon and possibly participate in carbon trading markets.
According NIDA, Alcohol use has continued to decline among high school seniors. NIDA or National Institute of Drug Abuse is an institution which is to advanced science on the causes of drug abuse and addiction and to apply that knowledge to improve public health.
The answer would be letter B.
