If the GPP = 53 kJ m-2 year and the
NPP = 31 kJ m 2 year calculate the amount
of energy used in respiration.

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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