Using index cards will improve a presentation because (4 points)
O they make the content more interesting
Othey keep the audience from following along
O they make the research more valid
Slee
O they keep the presenter from reading the speech

explanation:

the goblins and dwarves have different perspectives of things. bilbo is a hobbit and goblins dwarves and hobbits all believe and do a different way of living

the answer is

would cloning of animals be allowed to prevent extinction?

even though there may be variations in human emotions over time, the poem “ a contribution to statistics” by wislawa symborska suggests that the only unchangeable characteristic is mortality.

the author poses a distinction between the approximate and non-approximate numbers which correspond to our need for certainty in life and the difficulty of achieving it. our efforts to measure the exact often fail because the world is not always clearly structured .the poem seems to imply   that the only thing that is certain and has an exact number is death.