Un átomo tiene 17 protones y 18 neutrones, ¿cuál es su número atómico y su número másico? ¿Cuántos electrones tiene si el átomo es neutro? nesesito la respuesta ya porfa

Give the biological term for: structures that display characteristics of living organisms only within living cells

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system