{X : X Is A Triangle Having Four Sides}
{x : x is a triangle having four sides}
Answer:
x = { }
Step-by-step explanation:
{x : x is a triangle having four sides}
x = { }
The set is empty or null set because a triangle has three sides, not four.
What Happened To The Contents Of The Two Test Tubes?
What happened to the contents of the two test tubes? Answer: The contents of tube A stay red/ yellow in the presence of iodine. This shows there is no starch present while the contents of tube B turned blue-black . This shows that tube B still contains starch. Explanation: These are the following information and instructions: Dissolve some starch in water to form a starch solution. Add equal amounts of starch solution to each of two test tubes. Add saliva to one of the tubes called tube A. to shake the test tube to mix the contents. Do not add saliva to tube B , this tube acts as a control. Leave both test tubes for 10 minutes in a water bath at 37°C. Add a few drops of the solution from each tube to a few drops of iodine solution on a dropping tile. For more information on related topics, please open these three following links given below: What will happened to the balloon when it is in test tube that is heated. brainly.ph/question/2170007 What happened when you...
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