Answer: By breathing out
Explanation: Breathing in oxygen and breathing out CO2.
(Cows also release CO2 by farting)
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The type of relationship that occurs between the clover plants and the bacterias is called mutualism.
<h3>What is Mutualism?</h3>
Mutualism is an ecological relationship between individuals of different species, in which both are benefited by the interaction. As it occurs between individuals of different species, it is a so-called interspecific relationship, and, as it benefits all those involved, it is called a harmonic relationship.
See more about ecology at: brainly.com/question/25953800
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Because of the soil the rocks are in. If They stayed in that soil for a while which affected the compounds, shifting the mineral composition.
