In this task you will be given a process, and a question. The process contains a sequence of steps that happen in order. The question asks about the effect of a certain event on another event. If the first event has a positive effect on the second event, answer with "for", if it has a negative effect, answer with "against". If there's no causal relationship between the two, answer with "none".

[Q]: Process: -Rock begins as magma from a volcano -The magma cools -Crystals form and the magma become igneous rocks -The igneous rocks break down into sediment -Become sedimentary rocks -If subjected to heat and/or pressure from plate-tectonic activity the sedimentary rocks become metamorphic rock -The metamorphic rocks melt -Become magma again.
Question: What is the effect of less hard plant parts replaced by minerals on less igneous rock forming.?
[A]: none

[Q]: Process: -The sun gives off radiation -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.
Question: What is the effect of global cooling occurs due to a thinner atmosphere. on a greater greenhouse effect.?
[A]: for

[Q]: Process: -Water from the surface seeps below the soil -The water comes into contact with the rock below -The rock over the years carves through the rock -The space in the rock becomes larger and forms into a cave -As more rather rushes through the cave becomes a cavern.
Question: What is the effect of the water is with the rock on less or smaller caverns.?
[A]:
against