To talk about seriously or in great detail.

substance used to stimulate production of antibodies and provide immunity against diseases. Immunogens consisting of a suspension of weakened or dead pathogenic cells injected inorder to stimulate the production of antibodies.

Most significant or important. place with high concentration of specified type of person or thing.

amount, level, or extent. Units for measuring temperature or angles.

To cause a disturbance in an activity in progress.

capacity to have effect on someone or something. To affect or change something indirectly.

Government department, such as Education.

device for recording visual images in form of photographs. Objects that take pictures digitally, or on film.

Being ready. To make something ready for use.

effort to achieve something. Efforts made to try to do or accomplish some things. make effort to do.

Set of changes that occur slowly and naturally. To organize and use data in a computer.

large building where raw materials or manufactured goods may be stored prior to their distribution for sale. store goods in warehouse.

not easy to see or understand.

In mathematics, being less than zero. no. word or statement expressing denial. refuse to accept.

To make someone notice and become interested in.