True or False? Chemical manufacturers strive to produce herbicides
and insecticides that get rid of all pests, beneficial or not.

True.

Explanation:

Chemical manufacturers strive to produce herbicides and insecticides that get rid of all pests, beneficial or not because pests and weeds reduces both quality and quantity of the crops which directly affects country's economic conditions. There are several countries which are agricultural based means they depend on the agricultural goods. So for producing maximum yield of crops, they use pesticides and herbicide to make the crop free from the pest and weeds. So chemical manufacturers produce chemicals for pest and weeds.

b..

is the correct one

explanation:

covalent bonds form as valence electrons are shared between two atoms. lewis structures and structural formulas are common ways of showing the covalent bonding in organic molecules. formal charge describes the changes in the number of valence electrons as an atom becomes bonded into a molecule.