After 3 half-lives, 125 grams of the parent isotope will remain.
The element that is the main constituent of paper, diamond, and clothes, among others is CARBON. It forms covalent bonds with itself and other elements. It is one of the most abundant and accessible elements on Earth. All organic compounds consist of at least one Carbon atom.
Answer: many of the chemicals found in urban air are formed by chemical reactions driven by sunlight.
Brhrhrhfhfhrhr r tbrhrnrbd
The correct answer for your question is True because alileo was the one that made his own telescope which gave the idea of studying space and which gave him the idea that whe the planets revolve around the sun they are elliptical!
