Answer:
The correct statment would be: "the hormons of the endocrine system exert their action by lock and key mechanism."
Explanation:
The endoncrine system is responsable of the release of hormons under certain conditions, and in different organs, they go trough the bloodstream. The lock and key mechanism is explained as how the receptors block or release hormonos or instead they don´t. The endocrine system is responsable for the reproductive system, and regulates metabolic processes.
Battle of Antietam is the eighth-costliest land battle of the American Civil War <span>also known as the </span><span>Battle of Sharpsburg. Hope this helps!!</span>
Its been a while since I did this topic, but I believe it was mostly because under communism there was little work for intellectuals, so they were often the ones who left the country. This resulted in a 'brain drain', a lack of knowledgable people. I seem to remember reading about the entire maths department of a university just up and leaving at one point. You could also argue that it was damaging for the image of communism if so many people were trying to leave.
Answer: identifying the process used to make plastic bags
Explanation:
Sorry I do not have one because I am only in 5th grade and do not know if this is the correct answer, I tried my very best.
