Answer:
1. Stem cells are unspecialized cells. For example, stem cells can become blood cells, brain cells, or skin cells
2. Embryonic stem cells are different from other stem cells due to their being able to generate all cell types. Stem cells found in adults can only make a few types of stem cells.
3. They are first developed into specific adult stem cells and then injected into the damaged area to begin repairs.
CPR is short for cardiopulmonary resuscitation. It’s a life saving medical procedure which is given to someone who is in cardiac arrest. It helps to pump blood around the person's body when their heart can’t. To carry out CPR a person presses up and down on the casualty’s chest (chest compressions<span>) and gives them a series of rescue breaths to help save their life when they are in cardiac arrest. At 6 min, CPR was started with an automated chest compressor at a rate<span> of 200-240/min.
more information, https://www.ncbi.nlm.nih.gov/pubmed/19520479
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An organisms metabolism doesn't quite invilve sleeping by the idea that metabolism is greatly enhance when one has a stimulus of generated cells (thanks to the assistance of hormonic means). Metabolism can be formulated better, however, metabolism does not really involve sleep.
Answer:
ans1 )Amongst the pollutants pesticides, heavy metals, and detergents are the major cause of concern for aquatic environment because of their toxicity, persistency and tendency to accumulate in organisms.
ans2 )Oil spills into rivers, bays, and the ocean most often are caused by accidents involving tankers, barges, pipelines, refineries, drilling rigs, and storage facilities. Spills can be caused by: people making mistakes or being careless. equipment breaking down.
ans3 ) The Environmental Protection Agency is a United States federal government agency whose mission is to protect human and environmental health. ... It oversees programs to promote energy efficiency, environmental stewardship, sustainable growth, air and water quality, and pollution prevention.
Explanation:
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Answer:No stretching the size of a rock can change its mass
