B.) A dog walks to a stream and drinks when it gets thirsty
would have to be your answer..
Answer:A): four electron shells
Explanation:
In the period table, atoms are arranged in rows called periods and columns called groups. The arrangement of atoms in groups is based on the number of their valence electrons while the arrangement of atoms across the periods is based on their number of electrons shells. Atoms are arranged across the periods in increasing order of their atomic number i.e., according to their number of electrons. Potassium has 19 electrons while copper has 29 electrons. Both has four electrons shells according to their electronic configuration.
This is true. it is called origin.
It is called Maturation, Development, and Growth
On the off chance that tuberculosis was more powerless against anti-infection agents then it is simpler to treat and we won't have such a high occurrence. On the off chance that tuberculosis was less powerless against anti-toxins then it would be significantly more hard to treat and we would have substantially higher rates. Tuberculosis is to a great degree infectious and can spread effortlessly before somebody even knows they are wiped out with it. TB treatment takes somewhere in the range of 6 months up to years contingent upon how awful it kicked before treatment off.