PLEASE HELP ILL GIVE BRAINLIEST When covalent bonds are formed between atoms having different
electronegativities, the electrons tend to spend more time at the atom with
the greater electronegativity. Such chemical bonds are called...
a)polar covalent bonds
b)non-polar covalent bonds
c)ionic bonds
d)metallic bond

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.