Due to the principle of conservation of mass,

a. all chemical equations must be balanced

b. all chemical reactions must take place in open systems

c. all chemical reactions must have an equal number of reactants and products

d. all chemical formulas have coefficients

Read the excerpt below and answer the question. she dwelt among the untrodden ways beside the springs of dove, a maid whom there were none to praise and very few to love: a violet by a mossy stone half hidden from the eye! --fair as a star, when only one is shining in the sky. she lived unknown, and few could know when lucy ceased to be; but she is in her grave, and, oh, the difference to me! (wordsworth, “she dwelt among the untrodden ways”) which option explains a meaning implied by the use of the adjective untrodden in the excerpt? the maid was lost in the woods. the maid lived in a rural setting. the maid was a nature spirit. the maid suffered a life without joy.

Which of the following identified malala yousafzai’s main claim in the text?

Compare: what are the similarities and differences between "artificial flavors" and "natural flavors"? why does schlosser explain these two terms in such detail?