Use the pH color scale. It shows acidity level of both acids and bases. You dip one of the pH strips into whatever liquid you choose, and then compare the new color of the pH strip to the colors on the scale. This will tell you the level of acidity. pH scale can be found below. As you can see, the brighter colors are more acidic than the darker and duller colors.
Answer:
the first,second, and third are the answer if this is multichoice which i am guessing it is.
Explanation:
Well an aerogenerator is a wind driven electric generator, so your answer will be Wind!
Answer: Wind
-BTS fan
Oort cloud: a spherical region that surrounds the solar system, that extends from the kuiper belt to almost halfway to the nearest star, and that contains billions of comets
Answer: Mallets
Why? (Little confused by question but this is what I know about metal and bamboo instruments)
You have to play the with a mallet that is less dense and less hard than the material you play on like metal and bamboo
Hope this helps :D
