Answer:
Yes
Explanation:
Yes, there is the presence of a threat.
This threat is known as instrumentation. There is an Instrumentation threat when changes are made in the instrument, or the changes are made in the researcher, or the scorer when the research is being carried out.
In this question, mrs smith is the one who is the researcher, the program of reinforcement can be called the instrument. She made errors during the first few week but started getting it right in the second week. So there is a slight change in these two weeks. Causing instrumentation threat to how valid the program is.
Answer:
The answer varies depending on the state, but generally it is either 500 feet or 1000 feet in front of you.
Explanation:
In California and Alaska, the state law is that you must turn on your headlights if you cannot see 1000 feet in front of you. In Alabama, Indiana, and the District of Colombia, it is 500 feet in front of you. Drivers should be conscientious of how their use of headlights impacts the visibility of other drivers and take care about using high beams and other headlight features when there is fog or other low visibility conditions like roads that are slick from rain or with difficult visibility because of snow.
It is possible to not be the Zodiac sign your born to
Answer:
He lacks an understanding of the concept of conservation
Explanation:
Conservation refers to the ability to determine that a certain quantity will remain the same despite adjustment of the container, shape, or apparent size. Omar didn't know the the size of the bowl that was used to serve the pasta doesn't change the quantity of the pasta he will get, he lacks knowledge of the concept of conservation.