in order to observe your crystals as they grow, you...\nuse your five senses.\nuse your intuition.\nuse your…

in order to observe your crystals as they grow, you...\nuse your five senses.\nuse your intuition.\nuse your estimation skills to make general observations.\nuse your four senses.
Answer
Brief Explanations:
To observe crystals growing, the most direct way is by using the five senses (sight, touch, smell, taste, hearing if applicable in a safe way). Intuition is not a reliable method for scientific - like observation. Estimation skills are for rough calculations rather than direct observation. There are five senses, not four.
Answer:
use your five senses.