Martina is camping and needs wood for a cooking fire as well as for shelter. She gathers a variety of logs and branches from the surrounding area. She chops and shapes some of the larger pieces of wood into uniform shapes to build her shelter. What kind of change is taking place as the wood is
chopped?
A. a change in matter
B. a change in physical property
C. a change in substance
D. a change in chemical property

oh it is true if thats what you are asking

h

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.