Both are hard structures that reduce erosion causes by waves.
<span>improve viewing quality or minimize eye strain from bright light.</span>
Bottom to top is: 1. troposphere 2. stratosphere 3. mesosphere 4. thermosphere
For biotic, I put; Flowers, Dogs, Insects, Bacteria, Protists
<span>For abiotic, I put; Water, Couch, Bed, Laptop, Clothes</span>
