karlyisaunicorn
13.10.2019 •
Biology
Which of the following is an example of a pure substance?
a. air
b. salt water
c. granite
d. aluminum
Solved
Show answers
More tips
- C Computers and Internet How to Learn to Type Fast?...
- F Food and Cooking Delight for Gourmets: How to Prepare Liver Pate...
- S Style and Beauty How to braid friendship bracelets?...
- H Health and Medicine Mercury Thermometer Danger: What to do when a thermometer breaks?...
- F Food and Cooking Which Calamari Salad is the Most Delicious?...
- S Society and Politics 10 Tips for Boosting Your Self-Esteem...
- F Food and Cooking The Most Delicious and Simple Fish in Batter Recipe...
- H Health and Medicine What is Autism? Understanding the Basics of This Neurodevelopmental Disorder...
- P Philosophy How to Develop Extrasensory Abilities?...
- S Style and Beauty Don t Sacrifice Your Brows: How to Properly Pluck Stubborn Hairs...
Answers on questions: Biology
- P Physics State four methods of magnetizing a material in the larm...
- M Mathematics Which sentence below represents the number of test questions in the problem below? a test is worth 80 points. multiple-choice questions are worth 2 points, and short-answer...
- M Mathematics Mrs. Vega is thinking of numbers that are multiples of 9. Which of the following could be Mrs. Vega s numbers? Choose all that apply. 23 23 19 19 54 54 45 45 18...
Ответ:
Most likely D
Explanation: B is definitely ruled out because of the mixture formed, air doesn't make sense. So that leaves granite and aluminum. I am saying aluminum because it has the same composition needed for a pure substance.
Ответ:
It is actuall radiation
Explanation: heat radiates through space you need air to carry temperature for convection so it is wrong