What does composition mean in science

Arachidonic acid (5z, 8z, 11z, 14z-eicosatetraenoic acid) is an eicosanoid, a fatty acid containing 20 carbon atoms. it is the precursor of the prostaglandins and leukotrienes, important signaling molecules.

Of the following, which gives the correct order for atomic radius for Mg, Na, P, Si and Ar? A) Mg > Na > P > Si > Ar B) Ar > Si > P > Na > Mg C) Si > P > Ar > Na > Mg D) Na > Mg > Si > P > Ar E) Ar > P > Si > Mg > Na

halla la forma general de la ecuación de la parábola con vertice en el punto v (2,3) y foco en f (6,3)

If the sentence is true, write true. If the sentence is false, replace the underlined word to make the sentence true. 1, Elements (separate) to form compounds. 2, Electrons are located in a (cloud) around the nucleus.

The phrase change that takes place when a gas becomes a liquid is called

If 20.0 g of Pb transfers 4950 J of energy into 50.0 g of water, how much would the temperature of the water change?

Which examples demonstrate responses to stimuli? Check all that apply. A. A Venus flytrap closes on a fly. B. Large amounts of bacteria are present in a soil sample. C. A plant grows toward the sunlight. D. A rabbit has both white and black fur. E.

Aluminum carbonate (s) - aluminum oxide (s) - carbon dioxide (g)

Which physical state of matter has the most kinetic energy? A. plasma B. gas C. liquid D. solid

Dioxin, produced as a by-product of various industrial chemical processes, is suspected of contributing to the development of cancer and birth defects in animals and humans.