what is a ddt - it is a insectide which can kill animals, when was the ddt invented - 1940, does the ddt break down in a food chain - no it does not, what does the ddt do - it kills animals and insects, what is a bioccumulation - it accumilates which means it can kill animals , what is a biomagnification - it concentrates on a certain substance,

science

Одштампај
Угради

Табела

Флеш картице је отворени шаблон. Он не генерише резултате за табелу рангирања.

Визуелни стил

Поставке

Промени шаблон

Врати аутоматски сачувано: ?