Water- <span>While the earth may be mostly water, only about 2-1/2 percent of it is fresh water. Of that 2.5%, even less is considered to be potable. Potable water is water that is considered to be safe to drink and cook with.
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Air-</span><span>Clean air is necessary for the existence of life on this planet. It is essential for the existence of plants, animals and wildlife. It is important to reduce air pollution as polluted air degrades the environment and can enter our body and can cause health related problems. There are number of ways to keep the air clean and safe.
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. Soil-Another important natural resource is soil. Soil is composed of many different particles and nutrients in the soil helps plants grow.
At the onset of an acute asthma attack, patients commonly experience difficulty breathing and d) expiratory wheezing.
<h3>What is
asthma attack?</h3>
Asthma can be described as a noncommunicable disease that can be seen in children and adults, which very common chronic disease among children.
It can be seen as having Inflammation and narrowing of the small airways in the lungs, which make the breathing process to be hard, hence At the onset of an acute asthma attack, patients commonly experience difficulty breathing and d) expiratory wheezing.
Therefore, option D is correct.
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The Colonization of Africa
Between the 1870s and 1900, Africa faced European imperialist aggression, diplomatic pressures, military invasions, and eventual conquest and colonization. At the same time, African societies put up various forms of resistance against the attempt to colonize their countries and impose foreign domination. By the early twentieth century, however, much of Africa, except Ethiopia and Liberia, had been colonized by European powers.
The European imperialist push into Africa was motivated by three main factors, economic, political, and social. It developed in the nineteenth century following the collapse of the profitability of the slave trade, its abolition and suppression, as well as the expansion of the European capitalist Industrial Revolution. The imperatives of capitalist industrialization—including the demand for assured sources of raw materials, the search for guaranteed markets and profitable investment outlets—spurred the European scramble and the partition and eventual conquest of Africa. Thus the primary motivation for European intrusion was economic.
the actual answer would be (d) arthropods
