Answer:
They are called Mygalomorphs.
Explanation:
<h2><u><em>
Brainliest Please!</em></u></h2>
In a chemical reaction, the atoms and molecules that interact with each other are called reactants. In a chemical reaction, the atoms and molecules produced by the reaction are called products. In a chemical reaction, only the atoms present in the reactants can end up in the products.
Hopefully this helps!
B. It was an explanation for how the earth originated.
Answer:
Nitrogen fixation
Explanation:
Biological nitrogen fixation is carried out by two types of microorganisms namely, symbiotic and free living microorganisms. Symbiotic microorganisms are bacteria f the genus <em>Rhizobium</em>. These are found in root nodules of leguminous plants. They convert atmospheric nitrogen into ammonia which is used directly by leguminous plants to form nitrogen containing organic compounds.