Answer:
Nitrogen must be in a gaseous state
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Explanation:
Answer:
D
Explanation:
D layer is the last layer of the soil that is present at the bottom of other layers having the oldest layers. The bottom layer of soil is formed first and when we go up the age of soil layers decreases because it is formed after the parent soil. The fossil that is present at the bottom layer is considered as oldest fossil as compared to those fossils that are present in the above layers of that soil.
Answer:
Animals living space affect the food supplies because there are requirement according to the animal in its living space. When they are allowed to move, they in result give more products like milk. Explanation: ... And these diseases result in lowering of the products for food supplies of the animals.