Answer:
The high temperatures of volcanic magma creates hydrothermal veins, allowing some of the heat to escape near the upper layers of the Earth's crust. This is why copper is often found in the sedimentary layer, where sand and mud are compressed until they form a layer of sedimentary rock on the surface of the earth
Explanation:
Answer: owls invade rodents that maintain ecosystem.
Explanation:
Farms have huge importance in term of food production and maintaining ecosystem (having all level of tropic levels). But, crops and vegetations are normally destructed by rodents. Thus, rodents are invaded by owls which helped to control crop damage and increase yield production that eventually maintain ecosystem of farms.
Answer: Nondisjunction means that a pair of homologous chromosomes has failed to separate or segregate at anaphase so that both chromosomes of the pair pass to the same daughter cell. This probably occurs most commonly in meiosis, but it may occur in mitosis to produce a mosaic individual.
