when the world becomes warmer because of pollution - G_______ w_______ is affecting the polar ice caps.

To allocate, designate or set for a specific purpose - The teacher says that she will a_________ seats for us so that the students do not fight for the best ones.

Communicating by using hands for people who cannot hear - Deaf people communicate with s________ L______.

a fuel such as coal or oil that is obtained from under the ground - We need to find alternatives to f________ f________.

needing a lot of time - The legal process was t______- c_______ and expensive.

to tell someone that you are sorry - You should a_______ to the teacher for missing her class.

to achieve everything you are capable of - She is a gifted violinist, but she may never r______ her p_______.

old and not fresh - We could not eat the bread because it was s__________.

barriers or methods used to stop an area from flooding - The government plans to build stronger f______ d_______ on this area of coastline.

to recognize or admit truth or importance - My friend refused to a_________ the fact that I studied harder than her for the exam.

able to pass a disease from one person, animal or plant to another - This disease is highly i_________.

a state in which your body is protected from disease - The vaccination gives you i_________ against the disease for six months.