Why do constitutional laws have more power than the state laws?
a. the constitution is older.
c. the constitution is the supreme law of the land.
b. the constitution is supported by the president.
d. the constitution is closed to interpretation therefore more effective.

c. The Constitution is the supreme law of the land.

Explanation:

The Constitution is known to be the rules which guide the conduct of a state. It set out the principles and laws of a state which include the organisations of government, their functions and duties and also the right of the people and how they are to be governed. Furthermore, these set of rules must be followed by the citizens and the government and does not exclude anyone. Thus, it can be written or unwritten.

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.