Answer:
Hadean ("Hades-like") Era. This era began with the formation of the earth from dust and gas orbiting the Sun about 4.6 billion years ago. During this era the surface of the Earth was like popular visions about Hades: oceans of liquid rock, boiling sulfur, and impact craters everywhere, meanwhile, during, for example, the Cretaceous period, Earth's land assembled essentially into two continents, Laurasia in the north and Gondwana in the south. These were almost completely separated by the equatorial Tethys seaway, and the various segments of Laurasia and Gondwana had already started to rift apart, and there were oceans of seawater, teeming with life such as Mosasaurs and Ammonites. During the Cretaceous period, the land was hospitable and warm enough to support large numbers of lifeforms, including the dinosaurs.
Explanation:
Answer:
The cell theory asserts that all cells comes from existing cells
Explanation:
plss mark brainliest
The answer is b the Development of circulatory shock
Answer:
Ribose sugar
Explanation:
Ribose sugar is the 5 carbon sugar that is a structural component of RNA which is different from the sugar that is found in the DNA. In DNA deoxyribose sugar is present in which the 2' hydroxyl group is absent and is replaced by a hydrogen atom.
RNA is made up of nucleotide monomers which consists a ribose sugar, a phosphate group and a nitrogenous base attached to the sugar. In RNA in place of thymine nucleotide, another nucleotide uracil is present. Transcription is the process by which DNA is converted into RNA.
The new nucleotide adds towards 3' end of growing nucleotide by a phosphodiester bond. So the right answer is ribose sugar.
