They carved out part of the hill to make steps. This allows them to grow rice on their hilly landscape. Also since rice requires flooded fields, this system will help lead water to the plants.
Answer:
oxygen and carbon dioxide
Answer: tight junction
Explanation:
Tight junctions are the multiprotein complexes. The function of these complexes is to prevent the leakage of the transported water and solutes. These junctions seals the pathway between two cells. These junctions form an impermeable barrier against the fluid. The tight junctions hold the cells together and are protective in nature. The tight junction are present on the epidermal cells of the skin it keeps the skin waterproof.
Red blood cells shed their nucleus and DNA after maturing, so they cannot code for amino acids, and in turn, protein
The principal of falsifiability would be correct.