Answer:
Nuclear energy can be used and controlled and it is more efficient than other forms. I would say B.
An area that was covered by a glacier
Primary succession is a method of bringing about fertility in infertile land that can not be cultivated. This method usually involves plant species known as "pioneer species", that do not rely heavily on soil nutrients but add nutrients to the soil. The land under the glacier is likely to be void of nutrients and infertile, so primary succession will be needed there the most.
Answer:
Permeable rock that contains and transmits groundwater is called an Aquifer.
C. perennial
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Answer:
B. Scientist built on the previous work of other scientist to make new discoveries.
Explanation:
in spanish
B. El científico se basó en el trabajo previo de otro científico para hacer nuevos descubrimientos.