The Age of Enlightenment was a philosophical movement that dominated the world of ideas in Europe in the 18th century. ... The radical Enlightenment advocated democracy, individual liberty, freedom of expression, and eradication of religious authority.
Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters. Some drugs, such as marijuana and heroin, can activate neurons because their chemical structure mimics that of a natural neurotransmitter in the body.
Iodine solution is used to test leaves for the presence of starch. You need to: heat a plant leaf in boiling water for 30 seconds (this stops its chemical reactions) heat it in boiling ethanol for a few minutes (this removes most of its colour)
Answer: Red or Red-Orange
Explanation: It catches bystanders attention
The answer is B:Directional beacons