Answer:
The answer is Y
Explanation:
Trust me I've done this before
A layer of ice on the surface keeps the water temperature warmer than the air temperature.
The extermination of the dinosaurs, the start of a rise to dominance of mammals and a meteorite effect in mexico marks the boundary among the mesozoic and the cenozoic or as named as the k-p boundary. In addition, the cretaceous paleogene (K–Pg) boundary which is previously recognized as the cretaceous tertiary (K–T) boundary is a geological signature typically a thin band of rock.
Vitamins are organic substances because you get your vitamin D from the sun and the sun is not artificial is it. So that is false
