Answer:
True
Explanation:
Electronegativity difference of less than 0.4 characterized covalent bonds. For two atoms with an electronegativity difference of between 0.4 and 2.0, a polar covalent bond is formed-one that is neither ionic nor totally covalent.
Answer:
light is an example of a wave that is not mechanical .
it is different as it does not need material medium for its propagation
(D)
Explanation:
The more massive an object is, the greater is the curvature that they produce on the space-time around it.
Answer:
Gravity, Weak, Electromagnetic and Strong.
Here you go it was too long to type
