Question

review the text.
what your nose knows
1 your sense of smell enriches your experience of the world around you. different scents can change your mood or transport you back to a distant memory. your ability to smell also plays a key role in your health. if your ability to smell declines, it can affect your physical well - being and everyday safety.
2 whether its freshly brewed coffee, pine trees in a forest, or smoke from a fire, the things we smell are actually the tiny molecules released by substances all around us. when we breathe in these molecules, they stimulate specialized sensory cells high inside the nose.
order the key details to create a summary of the text.
smell impacts your sense of taste.
smell arises from molecules binding to odor receptors in the nose.
losing your sense of smell may signal a significant health issue.
smell loss can be temporary or long - lasting, and it tends to worsen with age.

Explanation:

First, analyze the text: The text has two parts. The first part (paragraph 1) talks about how smell enriches experience, affects mood, memory, health, and that smell decline affects well - being and safety. The second part (paragraph 2) explains the biological process of smell: molecules from substances are breathed in, stimulating sensory cells in the nose.

Now, check the options:

• "Smell impacts your sense of taste." The text does not mention taste, so this is not relevant.
• "Smell arises from molecules binding to odor receptors in the nose." This matches the second paragraph's explanation of how smell works (molecules from substances stimulate sensory cells in the nose, which can be related to molecules binding to receptors).
• "Losing your sense of smell may signal a significant health issue." The first paragraph says smell decline affects physical well - being and safety, which can imply it signals a health issue.
• "Smell loss can be temporary or long - lasting, and it tends to worsen with age." The text does not mention the duration or age - related worsening of smell loss.

Now, order the relevant details. First, the biological basis of smell (how smell works), then the impact of smell loss on health. So the correct order - relevant details are "Smell arises from molecules binding to odor receptors in the nose." and "Losing your sense of smell may signal a significant health issue." (Note: Since the original problem says "order the key details", and we have to pick the relevant ones first. The other two options are not supported by the text. But if we assume we have to use the given options and order them based on the text's content flow: first the mechanism of smell (Smell arises from molecules binding to odor receptors in the nose), then the health impact of smell loss (Losing your sense of smell may signal a significant health issue).)

Answer:

1. Smell arises from molecules binding to odor receptors in the nose.
2. Losing your sense of smell may signal a significant health issue.