around 55 percent of the world's population is thought to be living in an urban area or city, with that figure set to rise to 68 percent over the coming decades, according to the UN.
आशा है कि मैंने मदद की
Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.
Explanation:
Answer:
legs, lungs, new digestive track
Explanation:
Answer: radiant, chemical, mechanical, chemical, radiant
Explanation:
Sunlight - electromagnetic energy (radiant)
life - chemical energy
compression - chemical and mechanical energy
retrieve coal - mechanical
burning - chemical, radiant
