Answer:
two
Explanation:
The endocrine and central nervous systems are the major control systems for regulating homeostasis
Answer:
The basic repeating unit of nucleic acids are known as nucleotides. A nucleotide consists of three distinct chemical groups, a 5-carbon sugar (ribose or deoxyribose), a nitrogen-rich base - (cytosine (C), guanine (G), adenine (A), thymine (T) in DNA or uracil (U) instead of T (in RNA), and phosphate.
Potential energy depends on molecular size and structures and is inherent properties of the molecules. Hope this help!!!
Example: inheritances, pensions
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