How was this cylinder made?

My pet is a reptile, a snake.

His new song is composed in E flat major.

Variational method is a branch of mathematics used to find the minimum and maximum values of functions.

He was interested in the ancient boustrophedon style of writing.

My zodiac sign is Taurus.

Have you ever seen a wildebeest in the savannah?

He is interested in astronomy, especially in researching about Boötes.

The cytosol is the liquid part inside the cell, and many enzymatic reactions occur here.

Amorphous substances have characteristics different from crystals.