Soils develop different horizons due to the amount of weather that is being exposed to each individual layer. What separates one horizon from another is the properties that make up each layer.
<span>As the human population grows, our natural resource requirements
increases. The answer is letter A. One, the source of food is important for survival.
More humans needed the right nutrition to improve bodily functions. And therefore,
more lands are to be cultivated for agricultural production to suffice the needs
of the society. Two, humans need extra habitable
area to live. It does not go in cycles because
the ecosystem is not balanced. Population explosion is the main cause why these
natural resources slowly decreases and at the same time increases their demand.</span>
Answer:
True
Explanation:
The temperature can rise as high as 1500 C, the gas molecules are very far apart. This layer is completely cloudless and free of water vapour
An absorption line will appear in a spectrum if an absorbing material is placed between a source and the observer.
Answer:
B. The products of photosynthesis are the reactants of cellular respiration.