Questions

Electrons orbit around the nucleus is correct about them.

The floridian starch is reserve food materials in the red algae or the members of class Rhodophytae. It is a characteristic feature of this group.

Prokaryotic cells lack a nucleus and do not have an extensive system of interior membranes. They are encased in a cell wall and many contain external structures such as a capsule, flagellum, or pili. Prokaryotes – have a relatively uniform interior that is not subdivided by internal membranes.

Washing soda is the common name for Sodium Carbonate (Na2CO3). It is also called as Soda Ash.

The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life is called Biosphere.