What was used to join the stained glass pieces together?
a. steel
b. silver
c. lead
d. iron?

In order to join stained glass pieces together lead is used

The lead is preferred material as

a) due to its soft and flexible nature we can easily cut and mold it according to the application area

b) Compared to other options lead is less costly and is long lasting

Thus lead finds its application in came glass work

answer; i do believe the correct answer is (river); /// good luck

explanation:

venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things.

here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.