Subordinate conjunction

a. sometimes i got a new puppy, i have been responsible lately.
b. i got a new puppy, i have been responsible lately.
c. i got a new puppy if i have been responsible lately.
d. i got a new puppy because i have been responsible lately.

How does the map develop the central idea that scholars at jundi shapur spread the knowledge of sugar? the map illustrates the spread of sugar from new guinea to persia. the map shows that sugar was being refined primarily in the north rather than the south. the map illustrates the spread of knowledge about refined sugar processing to egypt. the map illustrates that people in china knew how to refine sugar and shared this knowledge. the answer is c

Which statement best explains coelho's choice in the alchemist to have the boy robbed as soon as he arrives in tangiers? it reveals how working for the crystal merchant is part of the boy's personal legend. it illustrates how personal legends can change quickly if one is not careful. it shows how the boy makes poor choices and needs much guidance on his journey. it highlights the dangers of being in a new and unknown country.

Do postcards have any value? explain in full, not one sentence.