Humus is the dark organic matter that forms in the soil when plant and animal matter decays. Humus is usually formed in the soil's top layer.
Hopes this helps; couldn't quite see the answer.
<span>The question says,'...........convert ammonium into nitrates whilw .........converts nitrates into nitrogen gas. The correct option is A. Nitrification is a two stage process by which ammonia or ammonium is biologically oxidised to nitrate while dentrification is the biological oxidation of nitrate to nitrogen gas by dentrifying bacteria.</span>
i think the answer is "Rocks are made up of many different minerals that are bound together"
The respiratory system brings oxygen into the lungs when you breathe. The digestive system breaks food down into nutrients such as glucose. Now the circulatory system enters the picture. ... The circulatory system also transports carbon dioxide waste from the cells to the lungs of the respiratory system
Answer:
when our bodies sweat evaporates , some of the body fat also get evaporated for our body get cooled
Explanation: