Autotroph's are living organism which produce complex compounds
its thermometer
A THERMOMETER measures the air temperature. Most thermometers are closed glass tubes containing liquids such as alcohol or mercury.
thats why
Answer:
Temperature reduces and pressure increases as he ascends to the summit while the reverse of this happens when he returns to his campsite
Explanation:
When a person climbs a summit, the pressure increases but the temperature reduces. but as he returns to his campsite the normal temperature and pressure are regained which means the pressure reduces and the temperature increase.
Passive transport I think
