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sodium
helium
hydrogen
lithium
The elimination of toxic nitrogenous waste and excess water in man is by
The energy emitted by the Sun is due to
The energy released when an extra electron is added to a neutral gaseous atom is called
The energy that travel through a telephone line is
The enzyme Diastase is secreted in which among the following?
The equipment SONAR is used to determine the
The estimate of pH in lemon juice is
The fastest growing plant is _ ?
The fat of a common mussel-secretes a sticky glue that can be used to make heart implants. The unique chemical compound present in the glue is:
The fiber least prone to catch fire is