Answer: D
Explanation:
A positive feedback loop occurs in nature when the product of a reaction leads to an increase in that reaction.
In choice D melting of sea ice opens more ocean to sunlight which causes more ice to melt which demonstrated a positive feedback loop.
Answer:
A
Explanation:
basically, this shows how much energy is consumed the higher up in the food chain you go. Plants/producers would have 100% because that is the maximum amount we can get based on conditions. Not all plants get eaten/ are edible so primary consumers (think bugs, herbivores, etc.) do not get the absolute maximum amount of energy available. This happens again at the next level where not everything is eaten so energy is lost
Explanation:
no dear I'm not sad but why are you sad
Answer:
Drug therapies and community-based treatment programs
Explanation:
Before the 1950s there was more of an institutionalization approach and they didn't have an alternative for many patients. They had some success with psychotherapy but not nearly as much as we have today. But when they introduced new drug therapies and added community-based treatment programs many mental health hospitals were not filled with patients anymore. Many serious problems were now kept under control with simple pills and a good treatment program.