Answer:
A nonacademic use of research methods
Explanation:
Although the advantages of silicone over wire might seem obvious, kitchenware makers were unaware of the problems with wire tools until they hired ethnographers to visit people at home, see how they worked in the kitchen, and determine what sorts of things could be sold to them.
This ethnography is an example of a nonacademic use of research methods.
The expressed powers are powers which are explicitly mentioned (typically in the constitution) and the implied powers are generally the powers that are needed to fulfill the obligations or to use the expressed powers, but which are not explicitly mentioned anywhere. Therefore the correct answer is:
b. implied powers are generally agreed upon and express powers are written in the Constitution
Answer:
Chemical composition
Explanation:
Minerals are usually classified according to their chemical composition. The chemical composition of a mineral is usually identified through the use of a mass spectrometer. However, to some extent, minerals are also classified according to their physical properties, such as color, shape and sharpness. This is a method that is much more simple and requires less money and time.
Explanation:
Separation of Powers in the Central Government. One important principle embodied in the U.S. Constitution is separation of powers. To prevent concentration of power, the U.S. Constitution divides the central government into three branches and creates a system of checks and balances.
