Which of these substances are always harmful to the respiratory system?
-asbestos
-pollen
-toxic chemicals
-tobacco smoke
-pollution

Drag each label to the correct location on the image. g organisms adopt different strategies and structures to make sure their offspring it uses. herds young into center of group produces many offspring at once to protect against high predation risk protects offspring until environmental conditions are ideal for growth coo b 13 1994 7 odos si . an . i

Why is it incorrect to say that mitochondria function only as energy factories with cell

Eutrophication caused by human nutrient pollution.