Read the text. Then choose the correct answer for each question below. The word «chamomile» derives from two Greek words which mean «earth apple». It has been widely known for its medical effects. This means that it can help you when you are sick. Chamomile tea can be made from dried chamomile flowers. There are two main types of chamomile that are used to produce the tea, German chamomile and Roman chamomile. Chamomile tea is also a digestive relaxant. Studies have shown that chamomile extracts have in vitro growth inhibitory effects on cancer cells in skin, breast with minimal effects on normal cells. Some people believe that it can help you if you have a fever, sore throat, arthritis, inflammation and insomnia.
Choose the best definition for the underlined word in the passage.
a)distribution process
b)test tube experiments
c)adsorption process
d)metabolism