先行词是___时.如:·What is the smallest thing that can be seen under a microscope?显微镜下能看见
Years ago, scientists thought that the smallest thing in the world was atom. That is before they learned that an atom is composed of three parts,...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...
An atom is the smallest unit of any element in the periodic table.But the atom is not the smallest unit of matter.Experiments found that each atom has a tiny, dense nucleus,surrounded by a cloud of even tinier electrons.The electron is, as far as we know,one of the fundamental, ...
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out of which everything is made? Physicists have found the latter- that matter is made of fundamental particles, the smallest things in the universe. Particles interact with each other according to a theory called the “Standard Model”. ...
Another contender for the title of smallest thing in the universe is the singularity at the center of a black hole.Black holes are formedwhen matter is condensed in a small enough space that gravity takes over, causing the matter to pull inward and inward, ultimately condensing into a single...
1.what is the smallest bridge in the world?2.what has a neck bur no throat?3.what is the best thing to take when you are run down?4.what is the worst weather for cats and mice?5.what is taken from you before you get it?6.what is the best and cheapest light?
aThere are many arguments about the advantages and disadvantages of examinations. Some people think that examinations can help them review the lessons regularly, while others maintain that too many examinations have frustrated them. To me I think an examination is a good thing for both the teachers...
Clara Moskowitz
But while in diameter and circumference UY Scuti is enormous, it's only about 30 times more massive than our sun: volume and mass don't necessarily correlate in space. Related: Smallest, densest white dwarf ever discovered packs the sun's mass into a moon-size stellar corpse Even more ...