Question

what is the order of the layers of the atmosphere, starting with the layer closest to earth’s surface? stratosphere, troposphere, exosphere, mesosphere, thermosphere; troposphere, stratosphere, mesosphere, exosphere, thermosphere; troposphere, stratosphere, thermosphere, exosphere, mesosphere; troposphere, stratosphere, mesosphere, thermosphere, exosphere

Explanation:

To determine the correct order of atmospheric layers from Earth's surface, we recall the standard sequence: Troposphere (closest), then Stratosphere, Mesosphere, Thermosphere, and Exosphere (farthest). Let's analyze each option:

• First option: Incorrect order (starts with Stratosphere).
• Second option: Ends with Thermosphere instead of Exosphere (missing Exosphere after Thermosphere? No, wait, standard order after Mesosphere is Thermosphere, then Exosphere. Wait, no—standard order is Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere. Wait, the second option lists Troposphere, Stratosphere, Mesosphere, Exosphere, Thermosphere—no, that's wrong. Wait, no, let's re - check. Wait, the fourth option: Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere. Let's check each option again:

Option 1: Stratosphere first - wrong.

Option 2: After Mesosphere, Exosphere then Thermosphere - wrong (Thermosphere is before Exosphere).

Option 3: After Thermosphere, Exosphere then Mesosphere - wrong (Mesosphere is before Thermosphere).

Option 4: Troposphere (closest), Stratosphere, Mesosphere, Thermosphere, Exosphere - this matches the correct order (Troposphere → Stratosphere → Mesosphere → Thermosphere → Exosphere). Wait, wait, maybe I made a mistake earlier. Let's confirm the atmospheric layers from Earth's surface:

1. Troposphere (closest to surface, where weather occurs)
2. Stratosphere (contains ozone layer)
3. Mesosphere (where meteors burn up)
4. Thermosphere (ionosphere, auroras)
5. Exosphere (outermost, merges with space)

So the correct order is Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere. Let's check the options:

• First option: Starts with Stratosphere - incorrect.
• Second option: Order after Mesosphere is Exosphere then Thermosphere - incorrect (Thermosphere comes before Exosphere).
• Third option: After Thermosphere, Exosphere then Mesosphere - incorrect (Mesosphere is before Thermosphere).
• Fourth option: Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere - correct.

Answer:

D. Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere (assuming the fourth option is D; if the options are labeled as per the order in the image, the fourth option (the right - most) is the correct one with order Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere)