Quick Answer. It takes between 10 to 12 minutes to completely melt an ice cube on concrete with an ambient temperature of 109 degrees Fahrenheit. Ice melts at different speeds based on a range of factors such as the temperature of the ice, the size of the ice and the ambient temperature. Continue Reading.
Report Abuse. Most bacteria are not producers, they are consumers. Most bacteria are decomposers, though some are parasites. The bacteria that are called cyanobacteria are producers that use photosynthesis. There are also some bacteria that live near deep sea volcanic vents and produce their own food using chemicals for energy.
From the bacteria that live in the soil to those that live in the pores of your skin, all Bacteria need certain things to survive. Bacteria must have a source of food and a way of breaking down the food to release its energy.nstead, these bacteria use the energy from chemical substances in their environment to make their food. Some bacteria are heterotrophes and cannot make their own food. Instead, heterotrophic bacteria must consume other organisms or the food other organisms make.