Remove the tank cover and check the water level after the fill valve has shut off. It should be about one inch below the opening of the overflow tube. If it is significantly lower than that, there may not be enough water in the tank to fill the bowl after a flush. Correct this by adjusting the float.
The average child can do this during the second half of this year. Between 24-36 months, children are typically able to work simple insert puzzles (e.g., completes a three-piece simple puzzle where pieces are whole objects). Also, children can remove a part from a toy (e.g., a wheel) and replace it.
4 to 6 months. At this stage, your child starts to babble, combining consonants and vowels (such as baba or yaya). At about 6 months she can respond to her name. You may hear the first mama or dada now and then too. Though it's sure to melt your heart, your baby doesn't equate those words with you quite yet.