Respiration is something that occurs in all living organisms. Thus, it is a process that converts oxygen and glucose into carbon dioxide and water and ultimately makes energy for your body cells. Learn the Difference Between Photosynthesis and Respiration here.

Although both the names sound almost similar there is much difference between absorption and adsorption. The main difference between absorption and adsorption is that absorption is the process in which a fluid dissolves by a liquid or a solid.

Pair work questionnaire for communicative practice of the past simple tense in the context of holidays. Past simple – was and were ... Activity to practise the difference between present perfect simple and continuous tenses. Present perfect – been and gone