The correct option is B
Uranium is a radioactive element and its mining has many disadvantages. Th principal disadvantage of uranium mining is its radiations, which can cause severe health problems. The mining of uranium also have serious negative impacts on both air and water. Both the quality and the quantity of surface water and underground water are usually affected negatively by uranium mining.
Answer:
1. warm blooded, 2. breast feed its young
Explanation:
Whales are warm blooded, which means they keep a high body temperature that does not change in the cold water. Fish are cold-blooded, so their body temperature changes depending on the temperature of their environment. AND hales are other mammals that feed their young milk too, although it takes plenty more to feed them than human babies
Answer:
It is true to say that by using cuttings, exact genetic characteristics can be maintained, because the cuttings retain the same genetic information about the plant from which they were extracted.
Explanation:
Cuttings are buds or branches extracted from a plant to obtain a plant of the same species, through a type of asexual reproduction.
Once separated from the "progenitor" plant, the cutting is provided with a suitable medium for growth, and will have the possibility of growing roots, developing and growing as an independent plant, with the same genetic characteristics of the original plant, as if it were a clone.
In this reproductive process, man intervenes.
Answer: Yes, because Congress may adopt laws regulating navigable waters.
Explanation:
It should be noted that municipalities using copper-based paint on their intake pipes can successfully be prosecuted for violating the federal law because Congress may adopt laws regulating navigable waters.
Under the Supremacy Clause, when the action of either the state government or the local government conflicts with the federal laws which are deemed valid, then such cities can be prosecuted.
Answer:
the glutamate causes an influx of ca2+ions the nerve cell akin to what occurs during depolarization.
