A. Flows from hot to cold
That's a reasonable request, but right now, there's no way to do it yet. First, we need all the information that's in the REST of the question . . . the whole part BEFORE where you started copying.
Answer:
Determining how data will be gathered
Explanation:
As a scientist considers the use of a particular set of experimental procedures to carry out his research, an important consideration is the method of data collection.
The experimental procedures chosen must be those that make the process of data collection much easier, efficient and lead to collection of reliable data.
Hence determining the method of data collection is very important when designing a set of experimental procedures.
To be honest I’m not really sure cause I’m in 5th grade but the red planet is the sun