If 860 liters of neon at 45°C and 800mm are decreased to 700 liters at the same pressure. What is the new temperature?

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

4d^55s^1 ( third choice)