41 Nb Co
co se
O
Niobium and
Cobalt are in the
same period.
92.906
58.933
44.956
O
How are the three elements above
organized on the periodic table?
Cobalt and
Scandium are in
the same period.
Cobalt and
Scandium are in
the same group.
O
Niobium and
Cobalt are in the
same group.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.

1 is a answer of a question