lizsalcedo
lizsalcedo
01-02-2016
Physics
contestada
why are chemical changes considered unseen?
Respuesta :
Аноним
Аноним
01-02-2016
they occur at atomic level, changing the structure of the object.
Answer Link
VER TODAS LAS RESPUESTAS ( 14+ )
Otras preguntas
The age-sex structure of a quickly growing population would probably have a. a wide base, showing many young individuals. b. a wide top, showing many older indi
A hydrogen atom has one proton, two neutrons, and no electrons. Is this atom neutrally charged? Explain your answer.
why was Richard Arkwright important in the industrial revolution?
A child throws a ball up in the air to a height of 3.5 m and catches it at the same point from which he threw it. The ball is in the air for a total of 1.7 s. W
The main difference among the types of symbiotic relationships is a. how many species either benefit or are harmed. b. how many species are eaten. c. how many sp
Substitution method X = 4 2x - 3y = -19
If a car can go from 0.0 to 60.0 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50.0 mi/hr?
If a car can go from 0.0 to 60.0 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50.0 mi/hr?
A vaccine a. can be harmful because it contains pathogens such as viruses. b. contains a changed pathogen, so the pathogen is no longer harmful. c. provokes a r
Two long tubes of muscle that lead from the stomach and help absorb food are the _____ and the_________ .
