How do you find a relationship between two variables? The direction of the relationship between two variables is identified by the sign of the correlation coefficient for the variables. Postive relationships have a “plus” sign, whereas negative relationships have a “minus” sign. What variable is the same in both directions? Positive correlation is a relationship […]
Is model a noun?
What is the process of breaking down rocks called?
What is the process of breaking down rocks called? Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of […]
What did African slaves bring to America?
What did African slaves bring to America? Since the 17th century, when Africans were forced into slavery in the New World, they and their descendants have had a profound impact on what Americans grow and eat. Watermelon, okra, yams, black-eyed peas and some peppers are all indigenous to Africa. What is the name of the […]
What is the most sustainable lighting?
What is the most sustainable lighting? HID lamps Are LED lights eco friendly? Light bulbs that use LED technology not only bring down your energy bills but are also more environmentally friendly when compared to incandescent bulbs and compact fluorescent lights (CFLs). LED bulbs consume less power per unit (lumen) of light emitted. This reduces […]
What causes the aggregate supply curve to shift?
What causes the aggregate supply curve to shift? A shift in aggregate supply can be attributed to many variables, including changes in the size and quality of labor, technological innovations, an increase in wages, an increase in production costs, changes in producer taxes, and subsidies and changes in inflation. What is a possible cause for […]
Why did Roger Williams and Anne Hutchinson leave the Massachusetts Bay Colony and establish new colonies?
Why did Roger Williams and Anne Hutchinson leave the Massachusetts Bay Colony and establish new colonies? Among those who found a haven in the religious and political refuge of the Rhode Island Colony were Anne Hutchinson—like Williams, she had been exiled from Massachusetts for religious reasons—some of the first Jews to settle in North America, […]
What are the two seas that border China?
What are the two seas that border China? To the east and south, China borders two seas – the China Sea and the Yellow Sea. Although these bodies of water provided food and water routes for trade, both seas are located in the Pacific Ocean. What seas and oceans surround China? China Seas The East […]
Which is classified as Cosmogenous sediment?
Which is classified as Cosmogenous sediment? Cosmogenous sediment is derived from extraterrestrial sources, and comes in two primary forms; microscopic spherules and larger meteor debris. Like spherules, meteor debris is mostly silica or iron and nickel. One interesting form of debris from these collisions are tektites , which are small droplets of glass. Where are […]
What vehicles must stop?
What vehicles must stop? Any vehicle with three or more axles and weighing more than 4,000 pounds. Trucks transporting hazardous loads must stop before they cross railroad tracks. Do big cars have bigger blind spots? B. Large trucks have bigger blind spots than most passenger vehicles. Even if a vehicle is properly equipped with rearview […]