hat fundamental building block makes up all matter in the universe?Choose 1 answer:Choose 1 answer:(Choice A)   ProteinsAProteins(Choice B)   NeuronsBNeurons(Choice C)   HeliumCHelium(Choice D)   AtomsDAtoms

Which particles are considered to be the building blocks of our physical world?Question 1Select one:elementsgasesatomsmoleculesClear my choiceQuestion 2Not yet answeredMarked out of 1Flag questionQuestion textAn atom can be observed with a microscope?Question 2Select one:TrueFalseQuestion 3Not yet answeredMarked out of 1Flag questionQuestion textWho was the first person to reason that matter consists of indivisible particles?Answer: Question 3

What small particles make up all matter?Group of answer choicesMineralsCompoundsAtomsElements

Of the following four objects, which does the Universe have the most of?Group of answer choicesDark EnergyHydrogen and HeliumStars and PlanetsDark Matter

How many different states of matter arethere ? Name them.

What is the definition of matter?Multiple choice question.atoms and moleculesanything that takes up spaceprotons and neutronselements