Answer:
Sample
Explanation:
Samples are used in statistical testing when population sizes are too large for the test to include all possible members or observations. A sample should represent the population as a whole and not reflect any bias toward a specific attribute.
Answer:
As you already know, sunlight (solar energy, or energy from the Sun) is the primary source of energy for all processes that occur in Earth's atmosphere and hydrosphere. This means that solar energy is also the primary driver of winds and ocean currents .
Explanation:
Answer:
Correct answer is A. The Middle East
Explanation:
There are 14 members of OPEC and most of them located in Middle East, including United Arab Emirates and Libya. Qatar was member until 2018.
None of the countries from Europe are members of this organization.
The same thing is with Central Asia, while from South Africa we only have Angola.
It is interesting that some of the largest petroleum exporting countries are not members of this organization.
So as to find the pattern repeat. Patterns are why we do what we do, the way we do them & how we do them, while observing who we'd most like to be or look like or have the possessions of.
Answer:
Quartz is not pure in this rock.
Explanation:
When quartz shows effervescence in contact with an acid, it means that it is not in its pure state, but rather related to other substances that may be cementing the quartz. This effectiveness is caused by substances that do not react like quartz, such as calcite.
In this case, we can conclude that in relation to the calcium-rich rock shown in the question above, the calcium is not pure, but it is likely to be related to calcite, or other material that does not react to acid.
