A secure chemical landfill is a carefully engineered depression in the ground (or built on top of the ground, resembling a football stadium) into which wastes are put. The aim is to avoid any hydraulic [water-related] connection between the wastes and the surrounding environment, particularly groundwater.
Most commonly the cell<span> changes to a more specialized </span>type<span>. </span>Differentiation occurs <span>numerous times during the development of a multi cellular organism as it changes from a simple zygote to a complex system of tissues and </span>cell types<span>.</span>
B) the ability to work top down bottom up
B it the answer Fasho
Answer:
In the simplest case it involves mixing two materials together. The most common examples of dissolving involve a solid and a liquid, usually water. When a solid dissolves the solid (solute) and the liquid (solvent) form a very close intimate mixture called a solution.
Explanation: