Which of these is an example of a body fossil? A. woolly mammoth footprints
B. a T. Rex bite mark
C. a dodo bird nest
D. a shark tooth

What is the missing statement in step 3 of the proof? given: z1 is complementary to 22. 22 is complementary to 23. prove: m_1 = m23 m21 = m2 m2 1 + m22 = 90° m22 = m23 m22 + m23 = 180° 2 statements 21 is comp. to 22 2. 22 is comp. to 23 3. ? 4. mz1 - 90°-m22 m22+m23 = 90° 6. m23 = 90°-m22 7 m21 - m23 reasons 1. given 2. given 3. def of comp. zs 4. subtr equality prop. 5. def. of comp. 25 6 subtr. equality prop 17. trans. prop. vo

Item 7 shakespeare often puts the audience in a situation where they know more than one of the characters does. how does shakespeare increase the tension in the four-lovers story line by giving the audience information that one or more of the characters does not have? the audience knows that hermia’s father really approves of lysander and there is no need for hermia and lysander to run away. this knowledge builds tension because the audience wonders if hermia and lysander’s relationship will survive a night in the woods. the audience knows that helena really hates hermia and wants to hurt her. this knowledge builds tension when helena tells demetrius of hermia’s plan to run away because the audience wonders if hermia will be caught and punished. the audience knows that lysander and demetrius are under the spell, but helena and hermia do not. this knowledge builds tension and makes the audience eager to see what will happen next. the audience knows that oberon is observing the lovers, but the lovers do not know. this knowledge builds tension because oberon falls in love with helena and decides to become a human so he can marry her.

Why does the author of lifeboat ethics choose to begin his essay with this lifeboat metaphor