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.
Q2. Indians and Africans were considered black. Some Americans were even considered black too.
1. We know the earth is getting warmer because temperatures have risen all around the globe. Also, the Arctic is melting.
2. The Earth temperature changes because of green house gases and harmful gases being sent into the atmosphere.
3. The greenhouse effect is a process that occurs when gases in Earth’s atmosphere trap the Sun’s heat.
4. Factories.
5. It could cause more flooding and a rise of warmer temperatures.
6. Permafrost is ground that continuously below 0 degrees Celsius for two or more years.
Hope this helps!
