Questions

We know that, 

Earth is known as Watery planet.

Neptune is known as Blue planet. 

All statements except ‘A’ are based about the same theme which is The Fight for Ocean Health while sentence A talks about The Next Phase of Climate Action.

Study of Life in outer space or search of life external to Earth is known as Exobiology.

In animals, parthenogenesis means development of an embryo from an unfertilized egg cell. In plants parthenogenesis is a component process of apomixis.Apogamy is a type of reproduction, occurring in some ferns, in which the sporophytedevelops from the gametophyte without fusion of gametes.Adventitious embryony also called sporophytic budding, is a type of apomixis in which an embryo develops directly from nucellus or integument tissue.So, all three are correct.

Romans (753 BC - AD 410) began public health and sanitation systems.

Romans established the first public health and sanitation systems by building sewers and aqueducts.

They also treated diseases with diet, exercise and meditation.

Air contains water in a gaseous form called water vapour.