Point source means: the pollution that comes from a single point (examples)
Sewage pipes releasing sewage into a ditch
Smokestack style factory chimneys
Oil pipes
Pollution which is caused by rain fall or snow melting into the ground. As the runoff moves, it picks up and carries away natural and human made pollutants, Finally reaching a lake, river, ocean, groundwater.
Through cells on the surface of its body and also through the orifice at the top of its head
A transverse section cut is a cross section took by slicing, really or through imaging techniques, the body or any part of the body structure, in a horizontal plane, a plane that crosses the longitudinal axis at a right angle. In other words, it divides the body into superior and inferior parts which is also known as the top and bottom parts.
Providing energy. Carbs are a quick source of energy and easily broken down. Lipids are stored energy that can be broken down when needed. Both provide energy but in different ways
