Answer: C - spiral staircase
Explanation:
Stream bts dynamite !!!!!!:)
If there are two different alleles for a trait, this means t<span>he trait could show up in two different forms.</span>
If a decaying baby teeth is untreated properly without an expert's care, it may lead to permanent and serious problems in the developing permanent teeth. Which why it is advisable for parent to bring their children to their family dentist for regular check-ups to diagnose any present problems in the teeth and may be fixed right away.