The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.

Why are some plant cells in the stem hollow?

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the xylem cells in the stem are hollow so that the water & the minerals from the soil can be passed on to the leaf.

What are the answers to Ultimate Element crossword puzzle?

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Across: 1 lead 2 sulfur 3 copper 4 potassium 5 neon 6 nitrogen 7 chromium 8 xenon 9 osmium 10 rubidium 11 chlorine 12 einsteinium 13 silicon 14 magnesium 15 iodine 16 helium 17 lanthanum 18 krypton 19 arsenic 20 silver 21 zirconium 22 platinum 23 lithium 24 barium 25 carbon 26 radon 27 tungsten 28 plutonium 29 antimony 30 cesium 31 molybdenum 32 aluminum Down: 1 gallium 2 hydrogen 3 europium 4 fluorine 5 radium 6 neodymium 7 mendelevium 8 strontium 9 zinc 10 mercury 11 iron 12 oxygen 13 phosphorus 14 cobalt 15 uranium 16 selenium 17 manganese 18 iridium 19 bismuth 20 bromine 21 calcium 22 astatium 23 beryllium 24 nickel 25 argon 26 boron 27 tin 28 gold 29 cadmium 30 sodium

How knowledge of the energy content of food can help diabetics make smart diet choices?

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The total amount of energy and how it's stored affects when and how severely blood sugar levels will rise. Since our bodies digest carbohydrates and simple sugars rather quickly, these are the main concern of diabetics. Since diabetes inhibits one's ability to regulate blood sugar, intaking the correct amount of carbs and proteins at the correct times is one way diabetics can regulate their own blood sugar.

How do the formulas for atomic salts relate to their names?

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Salts get their name because it comes from the latin name saltier. The formulas for atomic salts relate to their names because their names are a direct reflection of what they're made from. An atomic salt is named after its components, and those components can be deduced by looking at the name of the salt.

How many scientific names does mertensia virginica?

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it has only one that is the Mertensia virginica, Well no it has no scientific name becaus itself is a scientific name!