What are all the countries that were affected by the black death?

Free brainliest! what is a characteistic of the american stradfordshire?

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast

Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation