The process of respiration is like a(n) . Press enter to interact with the item, and press tab button or down arrow until reaching the Submit button once the item is selected
Elemental reaction
Synthesis reaction
Combustion reaction
Decomposition reaction

they are both synthetic elements

explanation:

d

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.