Answer:
Choice B
Explanation:
"Permeable" means "Letting solids or liquids through (a material.)" "Semi" means "half or partly." So "semipermeable" means allowing some objects through, but not all.
Translation proceeds in three phases: Initiation: The ribosome assembles around the target mRNA. The first tRNA is attached at the start codon. Elongation: The tRNA transfers an amino acid to the tRNA corresponding to the next codon.
They printed or wrote words on paper. I don't know.
Answer:
Radiometric dating methods
Explanation:
Geologists usually use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon to find the age of fossils.