Single unit structure easy to studying
One topic you can talk about its closed plane curve, or talk about how it was discovered lol. Thats all i got never heard of a school working on “ellipse” thats crazy
Plastic is abiotic because it is non-living
Country governments are not established to increase wealth.
According to Harvard’s Medical school’s article, it says that sun exposure makes people live longer. Particularly, sunbathing. In general, you need vitamin D (from the sun) to maintain homeostasis and perform metabolic activities. So apparently, true.