What are cones especially sensitive to? S Cones are most sensitive to light at wavelengths around 420 nm. However, the lens and cornea of the human eye are increasingly absorptive to shorter wavelengths, and this sets the short wavelength limit of human-visible light to approximately 380 nm, which is therefore called ‘ultraviolet’ light. Which of […]
How does government help overcome problems of coordination and collective action?
How does government help overcome problems of coordination and collective action? How does government help overcome problems of coordination and collective action? – the government divides the power amongst everyone in the nation and takes into account all votes, but in the end the government takes whatever is mostly decided upon. What is the free […]
Which of the following is contained in pancreatic juice?
Which of the following is contained in pancreatic juice? Pancreatic juices are a liquid secreted by the pancreas, which contains a variety of enzymes, including trypsinogen, chymotrypsinogen, elastase, carboxypeptidase, pancreatic lipase, nucleases and amylase. What cells secrete pancreatic juice? The exocrine pancreas is composed of two major cell types, acinar and duct cells. Acinar cells […]
What are the differences between federal and confederal system of government?
What are the differences between federal and confederal system of government? How does federalism differ from unitary and confederal systems? In a federal system, a national government and the state governments share power. In a unitary system, all power lies with the national government, whereas in a confederation, the vast majority of power rests with […]
What makes a society highly civilized?
What makes a society highly civilized? Civilizations tend to develop intricate cultures, including a state-based decision making apparatus, a literature, professional art, architecture, organized religion and complex customs of education, coercion and control associated with maintaining the elite. What does it mean to be highly civilized and provide specific examples? 1. Having a highly developed […]
What can we conclude about the Herto skulls from Ethiopia?
What can we conclude about the Herto skulls from Ethiopia? Scientists have unearthed in Ethiopia three 160,000-year-old skulls that they say are the oldest near-modern humans on record. Telltale marks on the bones suggest that the hominids engaged in mortuary rituals. The fossils are described in two reports published today in the journal Nature. Do […]
What are 2 ways to improve your study skills?
What are 2 ways to improve your study skills? Studying is a skill you can improve, just like any other. Set yourself up for success by taking notes, keeping a study schedule, and practicing growth mindset thinking. When you start studying, limit your distractions, avoid multitasking, and take breaks to keep focused. How can operant […]
How is the deficit calculated?
How is the deficit calculated? The government that has a fiscal deficit is spending beyond its means. A fiscal deficit is calculated as a percentage of gross domestic product (GDP), or simply as total dollars spent in excess of income. The latter is the total debt accumulated over years of deficit spending. How is government […]
What you think the role of environmental ethics is in society?
What you think the role of environmental ethics is in society? Environmental ethics are a key feature of environmental studies that establishes the relationship between humans and the earth. With environmental ethics, you can ensure that you are doing your part to keep the environment safe and protected. What is environmental ethics Why do we […]
What will happen if a purple flower is crossed with a white flower?
What will happen if a purple flower is crossed with a white flower? Mendel concluded that pea traits like flower color were determined by separate units. From the results, Mendel proved that all traits do not blend. For instance, purple flowers mixed with white flowers did not produce pink flowers. When true breeding plants for […]