Question 7 Which of the following is the most reliable way to determine whether two unknown samples come from the same substance?

A
compare their masses

B
determine their electrical charge

C
identify the location where they were discovered

D
compare their reactions when exposed to other known substances

In a short summary, describe the progression of roderick usher’s mental and physical deterioration over the course of the story. in your opinion, what brought on his illness?

Match each excerpt with the type of essay it represents. tiles persuasive descriptive expository narrative pairs type example modern art comes in all forms, shapes,and sizes. generally, the era known as the modern art movement includes paintings, sculptures, and other artwork created from 1880 to 1945. artwork produced during this period became progressively more abstract and less realistic. in the early part of this period, artists experimented by interpreting color, shape, and form in unique ways that represented their own visions rather than nature. at the height of the modern art movement in the early 1940s paintings and sculptures were completely abstract, with no recognizable objects. two interesting movements of this era include cubism and abstract expressionism. arrowboth

Write a five-minute oral presentation about the call of the wild, writing for an audience of your peers. what did you find most fascinating or interesting about the story, and what did you think were its most important points? include one visual element to support your ideas; this may be a short slideshow. then, make small changes to your speech to adapt it to be presented to a formal audience. enter both versions of your speech (informal and formal) in the space below, and include your selected visual element. if possible, present your speech to an audience to receive feedback.