Irrigation was a Sumerian invention, which included major components like canals, gated ditches, levees, and gates. Its two purposes were to (1) to water the crops using w<span>ater carried from the Tigris and Euphrates Rivers to the fields where the crops were located, and (2) </span><span>to protect Mesopotamia, from the threat of flooding.</span>
A Community Emergency Response Team is best described as a volunteers team aim at well-being of the society.
<h3>What is a CERT?</h3>
This is an acronyms for Community Emergency Response Team.
This response team is made up of volunteers that are trained to respond safely, responsibly and effectively to emergency situations.
Also, these team sometimes support their communities during non-emergency events as well.
Read more about CERT
<em>brainly.com/question/24931496</em>
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When Alzheimer disease sets in early and impacts those under age 60, death typically occurs around 3-5 years after the first signs of the disease appear.
Alzheimer's disease is a progressive neurological disorder in which the brain atrophies and brain cells die. Alzheimer's disease is the most common cause of dementia, a continuous decline in thinking, behavioral and social skills that affect a person's ability to be independent.
About 5.8 million people over the age of 65 in the United States have Alzheimer's disease. Of these, 80% are over 75 years. Of the approximately 50 million people with dementia worldwide, it is estimated that 60% to 70% have Alzheimer's disease.
Learn more about Alzheimer’s disease here: brainly.com/question/17021383
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Macbeth had several impediments to assassinate Duncan, King of Scotland. The double trust he would be braking is that first he considered the King Duncan as his "kinsman and his subject" so he had to protect him. Second, Macbeth was hosting Duncan in his castle so he had to keep it away from any threat as an implicit compromise instead of being himself the killer. In addition, Macbeth thought that King Duncan was a noble, virtuous and free of corruption person, so his dead would make people feel very sad which filled Macbeth with a lot of guilt even though ambition made him doubt.