Answer:
Soldering is a joining process used to join different types of metals together by melting solder. Solder is a metal alloy usually made of tin and lead which is melted using a hot iron. The iron is heated to temperatures above 600 degrees fahrenheit which then cools to create a strong electrical bond.
Explanation:
If DNA replication does not occur, then the cell cycle will not proceed to the next stage and the subsequent division will not happen. It will lead to cell death.
Answer: The group of participants who are exposed to the independent variable. These participants receive or are exposed to the treatment variable.
Explanation:
It can be caused by the humid air or surrounding.
Humid air makes the stones absorb water and therfore makes it soft.