Answer:
The geologic time scale (GTS) is a system of chronological dating that classifies geological strata (stratigraphy) in time. It is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events in geologic history. The time scale was developed through the study and observation of layers of rock and relationships as well as the times when different organisms appeared, evolved and became extinct through the study of fossilized remains and imprints. The table of geologic time spans, presented here, agrees with the nomenclature, dates and standard color codes set forth by the International Commission on Stratigraphy (ICS).
Explanation:
Answer: <u>Option A, OPEC
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Explanation: Around 80 percent of oil production was accounted by OPEC in the year 2018. It is an organization of fifteen countries, which contain majority of oil reserves. Mainly the oil comes from the middle-eastern countries; namely Kuwait, Iran, Iraq, Qatar, etc.
United Nations and European Union hold very minute share in world's oil production. Exxon's share is also less than ten percent.
two hydrogen bonds are formed between adenine and thymine
Think it’s is a sorry if I get it wrong
Answer:
The "reproductive handicap" in sexual reproduction can refers to that only half of the offspring will be female.
It means that a female undergoing asexual reproduction will have offspring with 100% of her DNA, while a female with sexual reproduction usually only transfers 50% of her genetic material to her offspring.