A. Makes the experiment more dangerous. B. Slows down the reaction. C. Makes the eruption more visually appealing. D. Increases the amount of carbon dioxide produced. 相关知识点: 试题来源: 解析 C。解析:文中提到添加红色食用色素是为了让喷发在视觉上更吸引人。反馈...
when president when robins sing when she walked in when sirilanka meets when someone does not when someone like her when someone orders when stars go out eac when such scandals ar when the boss absence when the breeze blows when the cats away th when the chigld was b when the cicadas cr...
()2.What does the green coloring use to make the food for a plant?.A.Sunshine,water,air and the rootsB.Air,sunshine and waterC.Water,air and meatD.Water,sunshine and animals( )2.What does the green coloring use to make the food for a plant? A. Sunshine,water,air and the roots ...
理解2：植物是如何通过其（外表）绿色的颜色来为自身提供养料（食物）的。通俗点的解释： 植物本来就是绿色的对吧？然后他这个绿色的外表着色，是怎么来给起制造“食物”养分的呢？
I'm not crazy. For close to five years, I've had to read labels to make sure my child does not ingest red dyes of any kind (no matter what the name). Unfortunately, many times the colors are misrepresented on the labels and we end up with behavioral problems as well. ...
I'm not crazy. For close to five years, I've had to read labels to make sure my child does not ingest red dyes of any kind (no matter what the name). Unfortunately, many times the colors are misrepresented on the labels and we end up with behavioral problems as well. ...
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I know that there were many reports on the news about kids getting burns from the borax in their slime. Personally I did not get burned but my hands did feel tingly and slightly hot. All in all it does work as an activator but I would advise to choose another activator like detergent ...
Distinctly pungent in flavor, wasabi has a similar taste to hot mustard in that its spiciness hits the nose rather than the tongue like a chili pepper does. True freshly-grated wasabi has a signature “clean” spiciness that is gentle to start but gives a touch of quickly fading heat in ...
Diffusion does not require agitation, such as stirring, though agitation does speed the process. In the case of food coloring in water, the water is the solvent while the food coloring is the solute. Once they've mixed, they make a solution. Diffusion takes time, though how much time depe...