Answer:
1) The stage of the embryo in which all the body parts can be identified clearly is called a foetus.
2) The force which acting per unit surface area of the body is called pressure.
3) The time taken by an object to complete one oscillation is called time period.
4) The process of depositing a layer of any desired metal on another substance with the help of electricity is called electroplating.
5) lncrease in the temperature due to increase in the carbon dioxide gas concentration in the air leads to global warming.