It is answer A: Attach it to sentence 1.
Answer: the Earth
Explanation:
The astronomer Carl Sagan speaks of the Earth in the Pale Blue Dot. This is perhaps given away by the title which describes the dot as blue which is the same colour as Earth.
Carl Sagan speaks of how the Earth is home to humans who are diverse and believe in many different things such that we are a danger to ourselves. He mentions that it is the only planet that can harbor life at that point and so humans should treasure it and take care of it.
Houyoiun leiyan lecon miouy earthquake sileonin mipeolen
ANSWER: from a tale in the Decameron is selfish because he puts his own desires before the needs of his family.
Gualtieri is the character from the story, The Decameron, who is selfish. Instead of thinking about the needs of his family, he put his own desires first. However, in the story, it is emphasized that the desires and the tolerance of women are actually greater than that of men.