Rosalind Franklin. is the answer
Era is used to mark the boundaries of geological time scale by using radio carbon dating technique.
Explanation:
Geological time starts with Precambrian time.
Geologically, time is divided between the Precambrian era and present time into era.
The three eras are Paleozoic era, Triassic period and Cenozoic era.
Era is further divided into periods.
Scientists use radio carbon dating to study fossils and rock formation. With this study they were able to divide them in exact geological scale.
Geologic scale is the record of events in earth's history and evolution.
Answer:
The cell wall is the outside layer and the cell membrane is the inner layer. Cell walls are made of cellulose and lignin, while cell membranes contain phospholipids. Cell walls are made of cellulose and cell membranes are made of proteins. The cell wall is the rigid structure the surrounds the cell and the cell membrane is flexible and skin like and surrounds the cytoplasm.
Explanation:
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Answer:
B. Plants can make their own good
The answer would be A. the arrangement of DnA
