Which substance is a nucleic acid?

amino acid

fat

polysaccharide

RNA

How can ocean acidification affect us humans

How many dots should be shown in the Lewis dot diagram of carbon? 1 2 3 4

What is the density of an object if it's mass is 15 g and it's volume is 3cm3

The water cycle involves water in the liquid, solid, and gaseous states of matter. In which of the following Earth systems can water be found in one or more of these states? A. lithosphere B. atmosphere C. hydrosphere D. all of these

Is a theory a series of questions

Which geologic time span covers the majority of Earth's history?

as the flames heat the gases in the balloon the volume of the gases increases at constant pressure the volume of all gases increases with increasing temperatures is this statement a scientific theory or law explain

At 1.0 atm, terell heats a sample of soild caffeine at 178c the soild converts directly into gas. what is the name of this phase change?

Practice Problem #1: __TiO2 + __Cl2 + __C __TiCl4 + __CO2 + __CO How many mol chlorine will react with 4.55 mol carbon? What mass titanium (IV) oxide will react with 4.

In which chemical reaction will the heat content of the reactants be more than that of the products?