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

Drukāt
Iegult

Līderu saraksts

Atmiņas kāršu spēle ir atvērta veidne. Tā neģenerē rezultātus līderu grupai.

Vizuālais stils

Iespējas

Pārslēgt veidni

Atjaunot automātiski saglabāto: ?