Sphere interaction is as simple as water evaporating into the air. this would be an interaction between the hydrosphere and atmosphere. choose other examples of sphere interaction. a cat eating a bird water from a lake absorbing into the ground humans building a house waves creating sandy beaches

I would say the first and the forth because the have to do with the earths proceses i would not say cat eating bird or human building house unless you count house building as messing up the biosphere so not the cat eating the bird.

1. amino acid refers to the fundamental building block of proteins, comprising of an amino group and a carboxyl group.

2. catalyst refers to any substance, which increases the rate of chemical reaction without being used up in the reaction.

3. a complex molecule containing he genetic code is dna or deoxyribonucleic acid.

4. an enzyme refers to a molecule of protein, which is unique in accelerating up a particular chemical reaction in the biological systems.

5. nucleic acid refers to an sequence of sugars, phosphates, and nitrogenous bases, for example, dna and rna.

6. a protein refers to a large, composite organic molecule comprising of a huge number of amino acids associated together with the of peptide bonds.

7. rna refers to a nucleic acid that takes part in the production of proteins.

8. substrate refers to a compound, which takes part in a chemical reaction, and is chemically modified by the reaction.