Question: What is the missing first step of the following process: - The sediment rolls down hill towards a river - The heavy items sink to the bottom - The lighter items float on the top and in convection cycles - As the river flows the sediment is moved - The sediment gets dumped through tributaries into lakes and the ocean - The sediment keeps moving around the world in convection currents.
Answer: Sediment becomes loose from the rest of the soil

[Q]: What is the missing first step of the following process: - The radiation is aborbed by the Earth - Some of the radiation goes back into space - Some is trapped by the atmosphere - If too much heat is trapped - Global warming occurs.
****
[A]: The sun gives off radiation

input: Please answer the following: What is the missing first step of the following process: - The glucose and oxygen create carbon dioxide - The cells release energy - The cells don't have enough oxygen to repeat this - The cells obtain more oxygen from the air - The cells repeat this process.
++++++++++
output: Cells obtain glucose and oxygen

Please answer this: What is the missing first step of the following process: - Bloodstream - Cells in the body are attacked - Cells are killed - Different kinds of sickness are formed.
++++++++
Answer: Bacteria enters the body

Problem: What is the missing first step of the following process: - The rain seeps into the wood surface - It permeates the wood - When rain evaporates it leaves the wood - It takes the finish of the wood with it - The wood begins to lose it's luster - It begins to look bad - It has pieces of paint missing from the rain - It gets worse when it rains - It eventually will have no paint left.

A: Rain falls on wood

input: Please answer the following: What is the missing first step of the following process: - The roots of the growing plants start to break up the rock - The plant acids dissolve the rock - The rock is broken down into smaller pieces - Erosion begins.
++++++++++
output:
Plants start growing on or near the rocks