A genetic mutation. It's known as malformation. It can be caused by a trisomy in one of the alleles, or an affected gene.
Answer:
Permeable soil will let more water and air to drain through the plant as this type of soil loses too much water.
Explanation:
A soil possessing an enhanced quality to transfer water is known as permeable soil. Hence, there would be more drainage in the soil with enhanced permeability. Permeable soil loses more water as compared to the impermeable ones. Hence, choosing permeable soil would be best for plants that require a lot of drainage. To check permeability of soil two types of tests are performed which are the constant head method and falling head method.
Answer:
The difference between a mold and a cast fossil are <u><em>a mold fossil is generated when an object is deposited in soft mud and then removed by decomposition or physical forces; a cast fossil is formed when a mold fossil fills up with sediment.</em></u>
Explanation: