A small amount of chemical splashes in Frank’s eye. What should Frank do immediately? ask if anyone knows how to use the lab’s eyewash station.
tell his lab partner that he is going to the school nurse’s office.
raise his hand to ask for permission to use the eyewash station.
use the eyewash station while his lab partner informs the teacher.

they dont have any evidence

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.