Quick Answer. According to TomatoDirt.com, an average medium-sized tomato weighs 5 to 6 ounces. A small tomato weighs 3 or 4 ounces, and a large tomato weighs 7 ounces or more. Continue Reading.
When Do Babies Sit Up? On average, babies begin sitting up at around 6 to 8 months of age, says Michelle Baboun, a pediatric physical therapist in Florida. At about 6 months old, most babies can sit, using their arms propped in front of them for support.
Even though babies can be propped up in a sitting position with support from the day they are born, they cannot start sitting up independently on their own until they have gained head control. After learning when do babies sit up, here is how the sitting develops: