Answer:
D. All of the above.
Explanation:
Most of us use road blocks from time to time. There are many types of roadblocks that an individual may use in different situations some some of the more common mistakes being, not asking for clarification when you know you don't understand what is being said, smiling even though you are really upset., or even assuming you know what is going to be said.
The answer for this item is letter "A. granted to the national government by the U.S Constitution". These are also known as "enumerated powers" which include the power to regulate foreign and estate commerce, power to coin money, declare war, etc.
Answer: reliable but not valid
Explanation: Reliability does not translate to validity. This can be proved using the behavior of John's oven which has exhibited consistency in functionality and performance which defines that the readings and output are reliable. However, even though John's oven has exhibited constant output reliability due to its ability to consistently give similar readings or performance levels for about a month, the consistent performance which has been showcased by the oven seems to be faulty as food seem to get burnt regularly. This consistent output or performance level lacks validity as the temperature Guage incorrectly shows temperature which is 50 degrees cooler than the actual oven temperature.
