__________ refers to the number of births during a given period in the population that are added to the initial density.
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The process of depositing a layer of any desired metal on another material by means of electricity is called ___________.
A __________ thread is actually stronger than a steel wire.
_____________ is a collection of data values of same types having a common name.
The distance-time graph for the motion of an object moving with a constant speed is a __________.
An image formed by a concave mirror on a screen is called __________?
Animals in which the cells are arranged in three embryonic layers are called ________.
Sexual reproduction in Algae that takes place through fusion of two similar size gametes is called?