Desert streams has more flash floods than the ones in humid locations. In other words, desert streams only get their water from rain.
The world is improving energy efficiency and vehicle fuel economy and also increasing wind and solar power.
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
Explanation/Answer:
Among Russia's most important environmental problems: Water pollution is the most serious concern. Less than half of Russia's population has access to safe drinking water. ... Air quality is almost as poor as water quality, with over 200 cities often exceeding Russian pollution limits, and is likely to worsen.
