<span>The answer to this question is COAL. Coal is used
as a solid fossil fuel that people used the most. Coals are used for
electricity, fuel, and heat. Coals that are mined are brought to power plants
to use it as electricity. Coals are being mined from the ground and the country
China is the world’s top coal producer since 1983.</span>
Answer:
possibly war and also troubles in the government
Explanation:
C. The number is even or less than 12
Explanation:
Number 2 can be selected randomly and According to option A the number selected should be greater than 2.
B option is saying that the number is not divisible by 5 but the sample set contains { 2,3,4,5,6,7,8,9,10} . 5 and 10 can be selected and they are divisible by 5.
According to C even number can be selected or the numbers that are lesser than 12. The word "or" should be note here . Any number even or odd may be selected but it will be lesser than 12 so this will be the correct option.
Every element of sample set is either prime or composite so the selected number can either be prime or composite
Square root of 9 is 3 and square root of 10 is greater than 3. Statement will not be correct if number 9 or number 10 got selected the
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Answer:
b. Tall oak trees
Explanation:
In order for the owner to be able to have energy benefit for the home in a place with hot summers and cold winters, the most practical thing would be to have tall oak trees in front of the large glass windows on the southern side. The reason for this is that the oak trees will be beneficial in both seasons. During the hot summers, the oak trees will provide a lot of shade, thus lowering the temperature on the southern side where the large glass windows are. During the winter, the oak trees will have no leafs on them, meaning that the southern side will be able to get the needed sunlight in this period. We come to a situation where the oak trees will reduce the energy spending for cooling down in the summer, and it will reduce the energy spending for warming up in the winter.