Help me plz The “British Invasion,” which included the Beatles, happened in the 1980s.

True
False

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?

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