Identify the instruments or concepts represented in each numbered section of the image.

Analysis of the image sections:

• Section 1: This section displays a gauge that resembles a speedometer or a pressure gauge. The needle indicates a value between 0 and 220, with markings at intervals of 20 and 40.
• Section 2: This section presents a diagram illustrating elevation. It shows the Caspian Sea, the Caucasus Mountains (specifically Mount Elbrus), and the Mediterranean Sea. The y-axis represents elevation in meters, ranging from -6000 to 8000.
• Section 3: This section shows illustrations of two plants: a carrot (Морковь) and an onion (Лук). They are depicted with their root systems, and a scale on the left indicates depth or growth, ranging from 0 to 1, with intermediate markings at 0.5.
• Section 4: This section shows a digital thermometer displaying a temperature of 40°C.
• Section 5: This section is empty and does not display any discernible information.

Summary: The image displays various scientific and geographical representations, including a gauge, an elevation profile, plant illustrations with a depth scale, and a thermometer.