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

Cetakan
Benamkan

Papan mata

Kad imbas ialah templat terbuka. Ia tidak menjana skor untuk papan mata.

Gaya visual

Pilihan

Tukar templat

Pulihkan autosimpan: ?