Ice ages. An ice age is a period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers.
The cost to install backsplash averages $23.52 â $40.28 per square foot based on data 2014 from homewyse.com.The cost divides into three subjects such as average material costs, unit labor productivity rates and also national average hourly labor wages.he cost to install backsplash averages $23.52 â $40.28 per square foot based on data 2014 from homewyse.com.
1 An average sized kitchen with an average 40x40 square foot backsplash space will cost around $700 in labor. 2  A ceramic or porcelain tile will cost approximately $20 a square foot for both supply and install. An average sized kitchen with an average 40x40 square foot backsplash space will cost around $700 in labor. 2  A ceramic or porcelain tile will cost approximately $20 a square foot for both supply and install.