Air pollution affects the environment, and it has many causes. Some types of pollution can be prevented. Classify these items as being a cause,
an effect, or a prevention method for pollution
burning fossil fuel
using electric cars
using aerosols
smog
loss of the ozone layer
acid rain
smog-reducing filters
volcanic eruption

causes:burning fossil fuel;effects:smogloss of ozone layer,acid rain,volcanic

eruption;prevention method:using electric cars,using aerosols,smog reducing filters.

Explanation:

the role of the microscope world in creating new materials .

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.