A heart murmur is caused by a defect in the heart valve, C. A heart murmur is a sound that can be heard through a stethoscope. It is not a structural problem with the heart but a physical finding. These murmurs occurs when there is turbulent blood flow in the heart. Most common cause of heart murmurs are due to the abnormal functioning of the valve of the heart. these valves may have stenosis or regurgitation.
So desertification means that something being larger or growing to destroy something and Urbanization means that the process of making an are more urban .So these two words meant almost same so It will impacted environment because if something coming or growing to destroy the environment such as Sahara desert it will be affect the environment
Answer/Explanation:
Kwashiorkor is a severe form of malnutrition that is caused by an extreme protein deficiency. It is rare is developed countries, but more commnon in areas where food supply and hygeiene are issues. It is much more common in children than in adults.
It causes swelling under the skin due to the retention of fluids causing a prominent 'pot belly'. It also shows reduced muscle mass, skin problems, infections, brittle hair and nails. It can be fatal.
<h3><u>Answer;</u></h3>
B.introduced species
<h3><u>Explanation;</u></h3>
- <em><u>Animals become extinct for a number of reasons. Currently many animals are endangered or have become extinct due to human activities or human influence.</u></em>
- Extinctions may be caused by reasons;<em><u> such as pollution; loss of habitat due to human activities such as agriculture, introduced species, hunting and poaching for meat and other animal products such as feathers, horns and skins, and also over-harvesting among other influences.</u></em>
- In this question; <em><u>Introduced species occupies the largest percentage, that is 39%, from the pie chart (Attached).</u></em>
- Hunting and poaching; 23 %, Habitat loss; 26%, and Others; 2%.