Biology, 06.12.2019 19:31 alayjared12374
Our environment has nitrogen78%,oxyen21% then why our nose only inhale oxygen only , not any other gas. it doesn't has eyes also?
Answers: 3
Biology, 21.06.2019 22:00, iwantcandy2002
Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the
Answers: 1
Biology, 22.06.2019 02:30, EMQPWE
Actinobacteria sp. are fermenting organisms (which do you use oxygen to breathe) referred to as chemoorganohetereotrophs this means they break down organic material and convert it to inorganic material. which part of the carbon cycle does this describe
Answers: 1
Biology, 22.06.2019 10:00, tuetheturtle
The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.
Answers: 1
Our environment has nitrogen78%,oxyen21% then why our nose only inhale oxygen only , not any other g...
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