Sulfur has three common isotopes. one of the isotopes of sulfur has 18 neutrons. its atomic number is 16. which symbol correctly identifies this isotope of sulfur? why?

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

Which u. s. state lists the horned toad as its state reptile?

The outermost part of the brain, which is made up of tightly packed neurons and is only a tenth of an inch thick, is called the