Pollution, waste particles, radiation, chlorine, littering
It's empty or fairly large, making the sounds from your hands bounce of the walls and therefore having it echo
Answer:
Manfaat menjaga kebersihan lingkungan antara lain: Terhindar dari penyakit yang disebabkan lingkungan yang tidak sehat. Lingkungan menjadi lebih sejuk. Bebas dari polusi udara
Compounds that inhibit receptors by preventing the natural messenger from binding are known as antagonist.
Antagonists are molecules that will block the binding of the natural messenger at a receptor molecule. As a result, the signal which is usually produced by a receptor-messenger coupling will be inhibited. <span>An antagonist can be a drug that blocks a biological response by binding to and blocking a receptor.</span>
The sell is unable to maintain in a sustainable environment