There are simply fans (usually containing a means of heat in northern climes) which introduce outside air into a space. Typically, to compensate for air lost due to exhaust in areas such as kitchens, locker rooms, manufacturing areas etc.
hydrosphere
science and creativity make up an engineer.
With pictures of your work. if freelance, have a few references provided
The temperature of the air is a measure of the degree of molecular movement of all the Nitrogen and Oxygen molecules that largely make up air. Technically, it is determined by getting the average speed of a body's molecules.
unwanted,harmful and dirty
units that make up proteins are ribsomes. Answer: Ribsomes
the vents work because of the heat which can make the hot air balloon go up
the vents work because of the heat which can make the hot air balloon go up
The tiny units that make up bone are called osteons.
The basic units that make up living things are called cells.
The hot air has a density under the density of cold air. And so up in the atmosphere.
The smaller units that make up fats are called TRIGLYCERIDE
The smaller units that make up fats are called TRIGLYCERIDE
The simplest units are called nucleotides.
cubed units
it makes up the respiratory system.
Cells.