ayeitsmaria16 ayeitsmaria16

22-02-2017
Biology

contestada

why are chemical changes considered "unseen" ?

Respuesta :

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

Please help I’ll mark brainliest!!!

A tv originally cost 400$ how much is the final cost of the tv if the sales tax is 8%

I need help i don't understand/

12. Your project specifications call for a business rule that the database design can't enforce. What tool should you use to enforce this business rule? A. Trig

In chapter 7 'Animal Farm' What has Squealer done? A. He has blamed Napoleon. B. He has used revisionism to rewrite history. C. He has told the truth.

Find g(x) if the indefinite integral of f(x) need little help

Which frequency table is consistent with the histogram of weights of 86 different students, below?

4. This diagram is a straightedge and compass construction of a line perpendicular to line AB passing through point C. Which segment has the same length as segm

Which are properties of rotations? Check all that apply

Consider the following data that gives the quantity produced and unit price for three different goods across two different years to answer the question that fol