Based on the Article, which best replaces the question mark in the diagram above?

There are two boxes. The box on the left is labeled "Cause," and it has a question mark in it. There is an arrow pointing to a box on the right. The box on the right is labeled "Effect," and it says "Dogs sniff around fire hydrants."
A) Dogs have an amazing ability to learn information beyond their sense of smell.
B) Dogs can sniff out bombs people would never find.
C) It's one of the ways dogs can mark time and evaluate how safe the surroundings are.
D) It's one of the ways dogs are considered social animals.

Multiple ! in this excerpt from act i, scene vi, of macbeth, duncan praises the atmosphere in the castle and the hospitality of his hostess. identify two reasons that these comments are ironic. duncan: this castle hath a pleasant seat: the air nimbly and sweetly recommends itself unto our gentle sense. . . (enter lady macbeth.) duncan: see, see, our honour'd hostess! — the love that follows us sometime is our trouble, which still we as love. herein i teach you how you shall bid god ild us for your pains, and us for your trouble. he will meet his death in the castle, which he considers a pleasant place. his praise for inverness and his hostess, lady macbeth, is deceptive. duncan secretly plans to give macbeth's title to donalbain. the hostess he praises is actually plotting his murder.

Read this passage: many manufacturers prefer plastic as a material for containers because it can be molded into many shapes. but plastic is not very strong. it must be fused with glass or steel for strength. it is also not very durable. even the strongest plastic can break under enough pressure. the biggest disadvantage to using plastic is that it does not decompose. while plastic can be recycled, doing so is tedious and difficult. while it may be more expensive and difficult to work with, aluminum is a much stronger building material with far greater tensile strength. it conducts electricity because it is metal. best of all, aluminum is very easy to recycle. even if it is thrown away, it decomposes much more quickly than most manufacturing materials. how does the compare-and-contrast organizational pattern of the passage support the author's purpose? a. the passage gradually leads up to the point about decomposition to inform the reader about the importance of recycling plastics. b. the passage lists the advantages and disadvantages of each material to make a case for the use of plastic and not aluminum in containers. c. the passage begins with a description of plastic's problems in order to call attention to the good qualities of aluminum. d. the passage shows the superiority of aluminum in order to make a case for the production of stronger plastics.

Read the passage below and answer the question. somehow, it was hotter then: a black dog suffered on a summer’s day; bony mules hitched to hoover carts flicked flies in the sweltering shade of the live oaks on the square. men’s stiff collars wilted by nine in the morning. in the excerpt above, the phrase "stiff collars wilted by nine in the morning" suggests that despite the heat, men still dressed up the men in the town were vain men's clothing appeared its best on hot days the men were not accustomed to wearing nice clothes