That would be known as the heart.
Answer:
This question appears incomplete
Explanation:
This question appears incomplete. However, one similar substance that, if missing, many cycles (particularly the two cycles/processes provided in the question) will not exist/proceed is the sun/sunlight.
In the water cycle for instance, if there is no sun/sunlight, there will be no heat to allow for evaporation of water from the water-body (ocean, sea, stream or lake) hence there will be no cloud of water droplets in the atmosphere. The implication of this is that, the first process of the water cycle will not proceed, hence the cycle will not exist.
During photosynthesis, carbondioxide reacts with water in the presence of sun/sunlight to produce glucose and oxygen. The absence of sun in this reaction will not lead to the production of glucose which is the useful product of photosynthesis for plant.
From the explanation above, it can be deduced that <u>the absence of the sun/sunlight will prevent the two cycles from existing</u>.
A benefit of the carbon cycle is that it is critical to the food chain. The carbon cycle is important to all ecosystems as well as the food chain.
Carbon is an important element in living tissues and in all organic matter. All living things are made of carbon.
Plants use carbon from carbon dioxide gas in the atmosphere to make their own food and to grow. The carbon becomes part of the plant. Plants are consumed by animals. Thus the carbon cycle plays a vital role in the food chain.
Answer:
the cooler air is H, and the hotter air is L
Explanation: Since the cooler air is less dense it has lower pressure, which is why it sinks. the hotter air becomes less dense because the molecules are faster and spread out hence it has less pressure and rises
True, DNA is DNA, it matters not wether or not it belongs to a plant, you could mix a carrot with a pig (not sure why you would, but you can)
