1
the state of wanting to be more successful than other people
2
the movement of blood around your body
3
someone who takes part in an event or competition
4
a medicinal substance is capable of treating an illness
5
a mental state in which you are quick to notice and react to things
6
a chemical substance that consists of two or more elements
7
energy or enthusiasm
8
the process or activity or remembering something
9
one or more ideas that explain how or why something happens
10
to provide evidence that shows that something is true
