The afrikaners are an example of a founder effect that occurs when a new colony is started by a few members of the original population and the random decrease in genetic variation is an example of

the awnser is d i think

type 2 happens when excess consumption of high-sugar foods flood the blood supply with glucose and reduce the production and effectiveness of insulin. if a person has prediabetes, they can reduce the risk of full diabetes through regular exercise and a balanced, low-sugar diet.

the real answer is b. scintillation counter

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.