What is a hypothesis? Group of answer choices a tentative explanation that can be tested and is falsifiable a fact based on quantitative data that is falsifiable a fact based on qualitative data that is testable a verifiable observation sensed directly, or sensed indirectly with the aid of scientific instrumentation the same thing as an unproven theory

A hypothesis is a a tentative explanation that can be tested and is falsifiable

Explanation:

A hypothesis is in a sense an unverified theory but it can be tricky to define it as such as sometimes some hypothesis are obvious but it is hard or impossible to prove them.

At that point they are taken as givens but it is rather easier to take that the hypothesis is a tentative explanation for something that is largely accepted in the scholarly community but has the scope to be proven to be falsifiable.

Hypothesis is a tentative explanation that can be tested and is falsifiable.

Option: A

Explanation:

Hypothesis is a tentative explanation or presumption of a theory. It may be established as it is presumed or may be not that depends upon the scientific analysis and research. It is of two types. One is null hypothesis and another one is alternative hypothesis.

In null hypothesis what researcher presumes that established toto by following scientific research method. In alternative hypothesis presumption proved false and a new thing come our before researcher which also needs some scientific tests like student 't' test, 'f' test etc.

first, the romans stayed isolated because they had to defend their own territories from neighboring cities that were harassing them, like the etruscans. second, once the romans managed to defeat their neighbors, and started to expand their territory, they started to build roads and bridges. finally, now that the romans have covered their territory with roads functioning as highways, they could mobilize their legions faster to assemble larger military units in a specific place

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;