person who is studying or has expert knowledge of one or more of natural or physical sciences. People who are trained in a science.

act of taking or holding something in hands. To deal with a particular situation/person; manage.

To know the meaning of language, what someone says.

governing body of state.

Means of reaching a place, often a road or path. To get close to reaching something or somewhere.

Touching or feeling something. Object that allows electricity to run through it. communicate with.

Being good or useful. positive quality.

having been formally announced. To state something officially.

person, animal, etc. belonging to group. People or things belonging to a group or team.

isolated person or thing. To separate something from another substance.

individual fact or item. Small parts of some things; tiny facts. describe fully.

Large enough to be noticed or have an effect.

verbal or written answer. Reactions to some things that has occurred.

(of information) shown on computer screen or other device. To put so they can be seen or be bought.

in way that is easily perceived or understood.