1. Which statement shows the direction of the transfer of heat in this experiment? The heat transfer is from the to the . 2. Which statement compares the temperatures of the white and black sheets at 1, 2, and 3 minute(s)? The temperature . 3. What conclusion can be made based on this data?

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.

fe 55.85 g/mol and h2o 18.02 g/mol.