It is generally believed that there are 7 days in a week because ...

[tiara099]

It is generally believed that there are 7 days in a week because
 a. there are 7 stars in the Big Dipper.
  b. it is necessary to have 52 weeks in a year.
  c. there are 7 visible bodies in the sky that move against the background of the fixed stars.
  d. it is easy to multiply by 7.

Question 2

On bare feet, a tile floor feels colder than a rug because the tile has a greater ______________.
 Fill in the blank(s) with correct word

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Answer to Question 1

c

Answer to Question 2

thermal conductivity

[tiara099]

TY

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