Uses a 5 carbon pentose sugar DNA only
RNA only
Both DNA and RNA
Neither DNA nor RNA

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer