If your child is approaching her first period it’s important to provide her with reliable information, because understanding her body will help her make good decisions about health.
If your toddler starts to touch himself, ignore the behavior, but direct him towards something fun you can do together.
Often when a toddler talks back, they are testing limits, which is a common and developmentally appropriate behavioral challenge for this age.
If your toddler is feeding the dog dangerous items, try to reframe the issue so that you are focusing on more appropriate, prosocial behaviors.
Generally, letting a toddler work through their tantrum without giving them much physical or verbal attention is ideal.