Asedimentary rock that is a group of pebbles cemented together with pressure and chemicals in the water is a.)cobalt b.)granite c.)obsidian d.)conglomerate

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

i believe that it is a exoplanet

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.