What import events happen during the Krebs cycle? (choose all that apply) Releases energy in the form of FADH2 and NADH

Uses oxygen to form carbon chains and store energy

Breaks down oxygen molecules to produce ATP

Builds up and breaks down carbon chains; carbon is then released as carbon dioxide

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

hope this