Questions

Chemically marble is known as Calcareous rock as it is composed of carbonate minerals like calcite or dolomite.

Gravitational Force

Metallic bond is a bond between two metal atoms. Here in the given option Hg is the only metal with metallic bond.

Informative Speaking is a 10-minute presentation written and performed by the student. Informative requires students to balance that content with delivery and style.

Here in the given options, option A) a student sharing ideas about leadership based on a book she has read, is an instance of informative speaking.

Students in Informative must be articulate, engaging, and smooth with their delivery at both a vocal and physical level.

The degeneration of a signal over distance on a network cable is called attenuation.

Phoebus Levene was an organic chemist in the early 1900's. He is perhaps best known for his incorrect tetranucleotide hypothesis of DNA. He is who studied the structure and function of nucleic acids.

The discovery of Identification of Ribose and Deoxyribose is attributed to Phoebus Levene.