dinosaurs went to extinct about 66million years ago . which period of geological time was the last in which dinosaurs lived​

What statistics are to determine the development of a nation?

Can someone list any possible solutions to air pollution ?

The specific heat of the three substances in the image are given in the table. stamped concrete: 0.75, grass covered soil: 1.01, water: 4.18. place the areas in order based on how fast they’ll heat up on a sunny afternoon. start with the fastest and end with the slowest.