D. the removal or chemical alteration of the majority of a contaminant
There are three <span>rules of inference are used in the sentence.</span>
<span>1) </span><span>Universal Instantiation, if x is a man, then x is not
an island” and “If Manhattan is a man, then Manhattan is</span> not an island.”
<span>2) </span>Contrapositive,
If Manhattan is an island, then Manhattan is not a man.”
3) Applying
modus ponens or modus tollens. We derive the result that Manhattan is not a man.
Answer:
To avoid the ethical issues a true experiment would cause.
Explanation:
A quasi-experiment is a factual conventional study that is used to calculate the causal effect of interference on a target population without an irregular function. Quasi-experimental research shares closeness with traditional experimental design or randomized controlled trials, but lacks the element of random assignment specifically for treatment or control.
Instead, quasi-experimental designs typically allow the researcher to control the assignment to treatment status, but use some criterion other than random assignment (For example- an eligibility cutoff mark).
The continents are not drifting, exactly. They are physically attached to the tectonic plates, which are basically enormous slabs of rock that are stacked on top of each other. The tectonic plates cause the continents to move in a process known as <u>plate tectonics,</u> also causing earthquakes, sink holes, and a number of other natural disasters. I think the best way to make a visualization of this is making a plate of pancakes, and stacking them while only half of each pancake is on top of the previous one, and as it goes up, it becomes more steep, until the point where they fall over.
It should be A hope i helped