I think it's so your lungs can expand to help you breathe properly ? You may have to wait for some more answers to come through
Answer:
Freshwater biomes are large areas consisting of plants and animals grouped around water with "less than 1% salt concentration." This includes lakes, rivers, ponds, streams, and some types of wetlands.
The carbon cycle is carbon compound are inconverted onto the environment
Both will contain the sugar ribose and the base uracil
Answer:
Most animals obtain their nutrients by the consumption of other organisms. At the cellular level, the biological molecules necessary for animal function are amino acids, lipid molecules, nucleotides, and simple sugars. However, the food consumed consists of protein, fat, and complex carbohydrates.
Explanation: