The main active components of bleach and many other household cleaners are

a. salts.

b. neutral.

c. acids.

d. bases.

The main active components of bleach and many other household cleaners are salts. Salts are produced by mixing of acid and bases along with water. There are three different types of salts such as acidic salt, basic salts, and neutral salts.

The different products of salts are used in daily household detergents. The common salt products are bleaching powder, caustic soda, washing soda. Caustic soda is present in detergents, soaps, chlorine is present in bleaching powder. Washing soda is used in soaps.

The correct answer is option D, that is, bases.

Explanation:

Bleach refers to a product that is utilized to eradicate stains and whiten clothes. It is also used to lighten the color of the hair. The prime constituents of bleach and many other household cleaners are bases. The bases are utilized in this way as they are good at dissociating organic constituents.  

For example, it helps in removing oil without attacking the constituent of the medium in which the organic component is found. The bases used in household cleaning agents are also milder and safer in comparison to acids.  

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

the answer is b.) hydrogen bonds between bases.