Determine los grados de soluto presentes en 5L de disolución acuosa hidróxido de sodio 2m

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Achild is suffering from fever but the doctor cannot immediately pinpoint the alignment on the basis of this one symptom explain why also mention other two such general symptoms

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes