Answer:
Define your problem. ...
Find out the reasons behind the numbers. ...
Talk to your visitors. ...
Use segmentation to get actionable data. ...
Articulate a Hypothesis for your test. ...
Test substantial variations based on your Hypothesis.
Answer:
D. Pollution
Explanation:
The pollution is a consequence of the growing economy in advancing nations. The economy is growing, and transforming rapidly in the last two decades. Some characteristics of this change are: technological innovations and modernization, competition in the global market, etc. However, the pollution still a severe problem in developing countries. This is because, these countries doesn´t have a substantial economic growth, therefore cannot afford to focus on environmental problems.
Developing countries need to decide between keeping competitive prices to obtain and sustain economic growth while the poverty decrease. This decisions usually lead to environmental pollution. For example In sub-Saharan Africa, depends mainly on natural resources. They over exploits of natural resources such as coal, oil and gas, gold, copper. This cause pollution in air, water and land, and it can impact the climate change.
They should care more about pollution, because it also affects the health, sometimes leads to death of the population. Is important to mention that per year millions of people can be affected.
Answer:
Lighter, warm material rises while heavier cool material sinks. It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth.
Answer: Angola
Explanation: lasted from 1975-2002
<span>Slovakia became an independent nation in 1993 when it split with the Czech Republic.</span>