It's cold outside, but the sun is shining bright. when you open your car door, it can still be warm inside due to

The green house effects sunlight shines through the window and heats up the car.

children tend to take more after their grandparents more than their parents. it’s the dna you received that was passed down to you somewhere in your family. maybe one of your grandparents had/has straight hair and you might have gotten it from them.