Environmental factors that can cause genetic mutations can be classified as chemical, physical, or biological mutagens. item bank: move to bottom benzenegamma radiationhelicobacter pylorihepatitis b virushuman papilloma virus (hpv) lightx ray chemical physical biological

step 1: replication fork formation.

step 2: primer binding.

step 3: elongation.

step 4: termination.

explanation:

hope this !

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

fkk you n*gga