The physical state because it changes state.
Answer: iodine
<span><span>A deficiency of iodine will cause the thyroid gland to enlarge and the person to become sluggish. Noncancerous enlargement of the thyroid gland due to deficiency In iodine in the diet is known as goiter. Iodized salt provides plenty of iodine.</span></span>
Answer:
Taxonomy.
Explanation:
Taxonomy may be defined as the field of biology that mainly deals with the arrangement of the organism. Carolus Linnaeus is popularly known as the father of taxonomy.
Taxonomy includes the classification of the organism and its arrangement in different taxa. The identification, nomenclature and classification of organism is involved in taxonomy. Organisms are classified on the basis of the similarities and differences among them.
Thus, the answer is taxonomy.
C. Energy can be neither created nor destroyed
Flatworms possess excretory organs known as nephridia. Specifically as annelids, flatworms possess a variant known as metanephridia.