Hey there,
D- an experiment that uses data to support or reject a hypothesis.
So basically its something that sums up everything that you did in the past.
~Jurgen
Answer:
irritate people's breathing, ling cancer, asthma
Explanation:
Particulate matter in the air decreases life expectancy according to many researchers. Pollutants such as ozone irritate people's breathing, trigger asthma symptoms and cause lung and heart diseases. Exposure to environmental tobacco smoke causes many severe respiratory health problems such as asthma and lung cancer.
D.
Viruses are not considered to be living organisms but they can function inside living cells and multiply by using things in the cells. They can cause diseases in living organism and studying them is important in the medical field.
Through synapses that occur in our neurons that tell our brain for our body to act in the needed way
