Which role do ultrafine particles play in dirty air? a) they contribute to less than 13,000 premature deaths a year. b) they can worsen symptoms for people with breathing difficulties. c) they are easily removed from the air when people see them floating. d) they are constantly filtered by the nose, which prevents lung absorption
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Biology, 21.06.2019 13:30, oliviaparker2010
The kobe habor wharfs where the center of japanese exports to other countries. it had 200 wharfs before the earthquake. how many wharfs remained undamaged after the earthquake? a. 130 wharfts b. 3 wharfs c. 30 wharfs
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Biology, 22.06.2019 02:00, iixyloa
Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.
Answers: 3
Biology, 22.06.2019 02:30, taythestargazer71
Did you know that a blue wales tongue weighs more than an elephant?
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Biology, 22.06.2019 16:00, kevinh2683
One reason scientists are trying to develop fuel sources from corn and sugar is because these sources are renewable fossil fuels are being depleted these crops can be widely grown all of the above
Answers: 2
Which role do ultrafine particles play in dirty air? a) they contribute to less than 13,000 prematu...
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