Answer:
They are all physical exept c
Explanation:
Answer:
When a physical change occurs, the arrangement of particles within the substance may change, but the atoms in the molecules remain bonded together.
Explanation:
Srry didn't see this till now, hope u got it right :)
let me know when u find out plz because i would like to know as well its one of my chemistry qustions in an assiment. :)
Answer:
Biotic factors are the living components of an ecosystem. They are sorted into three groups: producers or autotroph's, consumers or heterotrophs, and decomposers or detritivores.
Explanation: