Where is an app where i can create an atom

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point

What are fossils of organisms that existed over a wide area but only for a limited time period called?