Search for tag: "isotope"

Objective 2.mp4 duration 11 minutes 43 seconds Objective 2.mp4 Objective 2.mp4	Objective 2.mp4 dna band model nitrogen cells isotope semi alright round minutes weight medium fact template point bases mixture strand experiment replication From Elizabeth Sandquist 0 likes 69 plays 0
MICR3154_11-4_GeoEvidence_Twing duration 8 minutes 17 seconds MICR3154_11-4_GeoEvidence_Twing MICR3154_11-4_GeoEvidence_Twing	MICR3154_11-4_GeoEvidence_Twing Ancient Earth - Rise of Oxygen - Geological Evidence ancient earth radioisotopes geologic record isotopes oxygen iron earth isotope evidence ocean beds hydrogen form protons neutrons atom bands formations lecture radio electron proton charge From Katrina Twing 0 likes 29 plays 0