The only that exist today are found in greenland and antarctica.
valley glaciers
ice sheets
glaciers
glaciated valleys

An ice sheet is a massive glacier that covers the surrounding continent and is greater than 50,000 km²; thus, also referred to as a continental glacier. These are only present in Greenland and Antarctica today.

An egg, or a sack of flour

When a virus infects a host cell, it uses the cell's machinery to make copies of its own genetic material in a process called replication. finally, during the process of self-assembly, that protein shell and the copies of the virus's genetic material are assembled into new viruses.