[Q]: - Acid rain enters the atmosphere and lands - Makes water acidic - Kills fish - Kills the soils in trees What might be the last step of the process?
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[A]: Leaves are also harmed.
input: Please answer the following: - People breathe and expel carbon dioxide - Engines produce carbon dioxide - Living things produce waste - Waste decomposes - Decomposition produces methane - Water evaporates - Water vapor joins the atmosphere What might be the last step of the process?
++++++++++
output: Carbon dioxide, water vapor and methane are greenhouse gases
Please answer this: - Animals and plants die in soft soil or mud - Sediment builds up over the remains - The remains decompose, leaving only trace amounts - The remaining parts over the years are replaced with mineral What might be the last step of the process?
++++++++
Answer: A fossil is formed
Problem: - Oxygen enters the body through the mouth or nose - The oxygen travels into the lungs - The oxygen binds to hemoglobin proteins within erythrocytes (red blood cells) - The erythrocytes are pumped through the body by the heart What might be the last step of the process?

A: All cells receive the oxygen.
Problem: Given the question: - A mold spore floats through the air - The spore lands on a piece of bread - The spore grows hyphae into the bread - The mold forms a colony - Sporangiophores grow upward What might be the last step of the process?
++++++++++++++++++++++++++++++++
The answer is:
The mold sends out spores.
Problem: - Kidneys filter waste out of blood - Composition of blood is regulated - Volume of water in blood is kept constant - PH is kept at a constant level - Kidneys help regulate blood pressure - Kidneys stimulate the making of red blood cells What might be the last step of the process?

A:
Calcium levels are maintained.