Lucia wants to develop a process for dyeing shirts so that the color will not fade when the shirt is washed. she proceeds with the following activities:
a. lucia notices that the dye in a design fades when the shirt is washed.
b. lucia decides that the dye needs something to it combine with the fabric.
c. she places a spot of dye on each of four shirts and then places each one separately in water, salt water, vinegar, and baking soda and water.
d. after one hour, all the shirts are removed and washed with a detergent.
e. lucia notices that the dye has faded on the shirts in water, salt water, and baking soda, while the dye did not fade on the shirt soaked in vinegar.
f. lucia thinks that the vinegar binds with the dye so it does not fade when the shirt is washed.

"“forty or fifty years ago, many people thought that simply transferring technologies from industrialized to developing countries would close the technology gap. now we know that technologies developed in industrialized countries may not be suitable for use in other environments. they may require a particular type of infrastructure to operate. they may need specialized parts or knowledge to mend when they break we now understand that innovative capacity must be built in different ways." - united nations secretary-general ban ki-moon based on the secretary general's comments, which of these would be most important for a country to improve? a) native literature b) transportation grid c) cultural traditions d) construction styles

How did the aztec culture benefit spain when they were conquering the aztecs?

Consider the speakers in "the raven" and the speaker in "the song of wandering aengus." write two paragraphs to compare and contrast the voice in these two poems. how does the poet give the speaker in each poem a distinctive voice? what effect does this voice have in each poem? use examples from each poem to as evidence for your answer "the raven"once upon a midnight dreary, while i pondered, weak and weary,over many a quaint and curious volume of forgotten lore—while i nodded, nearly napping, suddenly there came a tapping,as of some one gently rapping, rapping at my chamber door.“‘tis some visitor,” i muttered, “tapping at my chamber door—only this and nothing more.”ah, distinctly i remember it was in the bleak december, and each separate dying ember wrought its ghost upon the floor. eagerly i wished the morrow; —vainly i had sought to borrowfrom my books surcease of sorrow—sorrow for the lost lenore—for the rare and radiant maiden whom the angels name lenore—nameless here for evermore.and the silken sad uncertain rustling of each purple curtainthrilled me—filled me with fantastic terrors never felt before; so that now, to still the beating of my heart, i stood repeating“‘tis some visitor entreating entrance at my chamber door—some late visitor entreating entrance at my chamber door; this it is and nothing more.”"the song of wandering aengus." i went out to the hazel wood,because a fire was in my head,and cut and peeled a hazel wand,and hooked a berry to a thread; and when white moths were on the wing,and moth-like stars were flickering out,i dropped the berry in a streamand caught a little silver trout.when i had laid it on the floori went to blow the fire aflame,but something rustled on the floor, and some one called me by my name: it had become a glimmering girlwith apple blossom in her hairwho called me by my name and ranand faded through the brightening air.plz hurry