Search over 10,000 free study notes

Mass is a measure of how much matter something has in it, measured in Kg, your current mass stays the same no matter where you are.Weight is the measure of the force of gravity acting on an object, measur...

Natural selection is part of Charles Darwin's theory of evolution.
It is when a species adapts to changes in the environment, allowing...

Respiration is needed in order for ATP to be produced by the body in order for it to carry out a variety of functions. In order for the process of repsiration to occur oxygen is needed. Oxygen is inhaled ...

Innerinner + outerouter + innerouter + outerinnerCheck if anything could be added together to simplify the terms
Result = x²+5x+6

Radioactive isotopes are useful as they can be detected. Detecting these waves can help us find problems within the body and come up with prognoses. An example of this is PET scans. These use substances t...