ayeitsmaria16
ayeitsmaria16 ayeitsmaria16
  • 22-02-2017
  • Biology
contestada

why are chemical changes considered "unseen" ?

Respuesta :

S9infinite
S9infinite S9infinite
  • 22-02-2017
Because they take place at an atomic level and are unable to be seen by the human eye
Answer Link
ZachariaH050305 ZachariaH050305
  • 22-02-2017
They are unseen because it is physically impossible to see a chemical change with a human eye.
Answer Link

Otras preguntas

How does Maria’s changing attitude emphasize the theme of the short story? Use details from the text to support your answer. growing up by Gary soto
what is the job of helper T cells
clarify the term fair discrimination and e plain why employers employ females instead of young males​
What are the mathematical terms used to describe X values
Pretend that you are a surgeon at a local hospital. Seven patients need a heart transplant but there is only one heart donor at this time. All of the patients a
Aril does 1800 J of work to get a canoe moving from rest. April and the canoe have a mass of 70 kg. a. What is the kinetic energy of April and the canoe after s
what is a major difference between the united nations and the african union?
What set of reflections would carry triangle ABC onto itslelf?
Which of the following DNA mutations is most likely to damage the protein it specifies? A) a base-pair deletionB) an addition of three nucleotidesC) a substitut
After a rotation of 90° about the origin, the coordinates of the vertices of the image of a triangle are A'(6, 3), B'(–2, 1), and C'(1, 7). What are the coordin