Rayna has discovered a new substance that she thinks is a neurochemical. the substance is secreted by special neurons into the blood supply and travels to the digestive system where there are specialized receptors for it. most likely, what is the substance that rayna has discovered?

Locate an article online from a news source that illustrates at least one determinant of supply. write a summary of the article, list the determinant(s) that were discussed in the article, and give a brief explaination of the effect of the determinant(s). you don't need to write the entire thing out, just find a source and tell me what i should include. i'm not the best at some parts of economics, and this is one of the parts i suck at.

What conditions in the north might explain the many roles taken on by the black church? i need the answer asa

When the framers our state's constitution began to create it, they looked to the u.s. constitution as a model. much like the national government, they created a state government in which each branch could keep the others from having too much power. for example, the state supreme court can- once a law has been passed and enforced- rule that the law violates the state constitution. if this happens, the law is no longer enforced. what principle of government is being described in this passage? a) federalism b) separation of powers c) checks and balances d) republican government