You are writing a report on whether global warming really exists. which of the following resources would be the most scientifically reliable? an article containing documented experiments and data a newspaper article quoting leaders of several countries a website with articles posted by people around the world an article containing a poll taken of students at leading universities

convalent bond :

is a chemical bond formed by the sharing of electron between 2 atoms.

it is the direct chemical bond between 2 atoms.

in bond formation atoms are involved here.

electrovalent bond:

is a chemical bond defined as electroststic attraction between 2 atoms.

it is the electrostatic attraction between 2 atoms.

in bond formation, ions are involved here.

hope it

and ur welcm

: )

c- cold periods in earth's history during which glaciers covered much of the surface.

explanation: