Typical weather conditions in a particular place.

1000 million. thousand million.

not able to be undone or altered.

Dangerous substances released into an environment.

draw into mouth by contracting muscles of lips and mouth to make partial vacuum.

To make something hotter.

To lift one side or edge so the contents fall out.

weakness. in absence of. To not do or provide something that is needed.

An unexpected problem or difficulty.

part or feature. Ways some things look or seem to be. form aspect with.

arithmetical value expressed by word, symbol, or figure. Particular songs or dances performed during shows. To put numbers on things.

capable of cutting. A part of a plant cut off to grow new plants from. To reduce the size or amount of something.

place or type of surroundings where something is positioned or where event takes place. To put (e.g. a vase) down carefully in a place.

intellectual and practical activity encompassing systematic study of structure and behaviour of physical and natural world.

To know the meaning of language, what someone says.