A question which Jeff can answer through a scientific investigation is: A. "Which organisms are part of the food web in the pond?"
<h3>What is a research?</h3>
A research is also referred to a study and it can be defined as a scientific investigation which typically involves the process of manipulating an independent variable (the cause), in order to determine or measure the dependent variable (the effect) and reach a logical conclusion with results.
<h3>What is a question?</h3>
A question can be defined as a group of words (sentence) that are developed to elicit an information in the form of answer from a respondent or person such as an interviewee, a student, researcher, etc.
In this context, we can infer and logically deduce that a question which Jeff can answer through a scientific investigation is "Which organisms are part of the food web in the pond?"
Read more on questions here: brainly.com/question/18252108
#SPJ1
<u>Complete Question:</u>
Jeff finds a pond during a nature walk, and he has some questions based on his observations of the pond.
Which question can he answer through a scientific investigation?
Which organisms are part of the food web in the pond?
How much money should be spent to make the pond more attractive?
Which pond animals would make the best pets?
Which plants in the pond are the prettiest in summer?