- OC W LL 3. The most productive research questions (1 point)
Oare questions of opinion.
O cannot be answered.
O have "yes" or "no" answers.
Qlead to further questions.

D). lead to further questions.

Explanation:

A good research question is characterized as the question that poses a problem before the researcher to be solved by gathering adequate evidence, comparison between probable answers, and then reaching the conclusion objectively.

As per the above detail, the most productive research question would be that 'lead to further questions' which the researcher needs to solve by gathering appropriate information and doing the necessary research to find evidence to provide solutions to these problems in specific light along with its related ideas together and solving the main problem or elaborating the topic. Thus, option D is the correct answer.

a. "to practice" is the best phrase to complete the sentence.

explanation:

during the summer, she likes to practice her soccer skills so that she is ready to play in the fall.

(note that : all the other options "the practicing of", "practice for" and "to do a practice on" are inappropriate as they make the sentence grammatically incorrect.)

the symbol of the grandfather's heritage in this excerpt from "the medicine bag,” is the beaded bolo tie.

a bolo tie is a cord fastened around the neck with an ornamental clasp which is worn as a necktie. they have been used by native american tribes such as hopi, navajo, zuni, and puebloans since the mid-20th century.

therefore, the fact that the grandfather is wearing a bolo tie refers to his heritage as native american.