Sun's particles travels through the windshield and hit the bar, the light will be changed to heat, so<span> radiation of the sun through the windshield</span>
Transition from breast or formula feeding until solid food is vital for child's development. Children can learn skills while eating solid food and will be ready to try mashed cooked beans around 7-10 months old. For a 3 year old toddler,it is recommended around 3 tablespoons.
Food contains nutrients;however some foods is a better/richer sorce than others.
I am certain that it is due to the rotation of Earth. Note that earth rotates at almost a 1000mph.