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We are going to look at how the lungs are adapted for gas exchange. In humans, we have two lungs. Air passes into the lungs through a tube called the trachea. The trachea splits into two smaller tubes cal...

The categorical imperative is the bedrock of Kant's ethics, and is key to understanding what the basis of deontological duty is. Kant describes - or formulates - the categorical imperative in a number of ...

When differentiating a composite function y = (4x²-1)³ , the chain rule needs to be used.
The chain rule is dy/dx= dy/du x du/dx
In this instance we need to assign u and y ...

Waterfalls are an erosive feature of the river system. Rivers erode their banks and bed through a variety of erosional processes, such as hydraulic action, corrosion, attrition and saltation. In the creat...

In all collisions momentum is conserved. However in elastic collision kinetic energy is also conserved, molecules colliding is an elastic collision.If kinetic energy is not conserved that then the collisi...