The answer is eons, eras, and periods.
A period is a basic unit in geology. Two or more periods form an era. Two or more eras form an eon. For example, Phanerozoic is the eon. It consists of three eras. These eras are Paleozoic, Mesozoic, and Cenozoic. Paleozoic is the era that consists of five periods. These periods are Cambrian, Ordovician, Silurian, Devonian, and Permian.
Answer:
B. is the correct answer. if not let me know
An exchange reaction occurs between compounds that, when written as a molecular equation, appear to involve the exchange of parts between the two reactants. An exchange reaction will occur when ions in solution form insoluble products, weak electrolytes, or non electrolytes.
Answer:
A) rRNA makes up the ribosome.
B) tRNA carries amino acids to ribosome.
E) mRNA code is read to determine the sequence of amino acids in the protein.
Explanation: