It has a single valence electron.
3pro & 3ele - it is the single electron in shell 2.
Two. The zero before the decimal is insignificant
Answer:False, we can sense four tastes, namely salty, sweet, sour and bitter. Acids taste sour. If we want to know if something is an acid, we can just taste it.
Explanation:
Answer:
acquired traits are traits that organisms develops over a lifetime. adaptation are trait that enhances an organism's ability to survive and reproduce in its environment.
