Answer:
pollution
Explanation:
The correct word would be pollution.
<em>Pollution can be described as the presence of ecologically harmful substances in the environment. </em>
Littering the ground is considered pollution because it is harmful to the environment in the long term. Harmful chemical in water is outrightly considered pollution because this will hurt the organisms living in the water and rendered the water unusable to those around it.
Transcription<span> is the process of converting the message in </span>DNA<span> into </span>mRNA<span>, this is where </span>mutations<span> can first occur. </span>Mutations<span> at the level of </span>DNA<span>can affect the production of </span>proteins<span> in the long run.</span>
Muscle tissue is the outer layer that protects your muscles and helps them to move without falling off.