When surface fires occur, they release valuable plant nutrients that had been tied up in slowly decomposing litter and undergrowth. true / false.

True

Explanation:

Surface fires have several ecological benefits such as

a)They only burn litter and other flammable waste materials and prevent huge forest fires.

b)The important minerals that are held within the litter are released which would have otherwise remained within the slowly decomposing waste

c)It prevents several diseased and promotes the growth and development of certain trees.  

d)It also releases seeds and thus causes sprinting after fire thereby preserving habitat for animals.

Hence, the given statement is true

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.