The doppler effect, when used with light, produces a shift of frequencies to red. Well, no matter which direction you look, there is a shift to red! That means that the universe is expanding or moving away from us in every direction. The idea, is that this could only happen if all matter was once in a single point, and there was an explosion. This explosion from a single point is called the big bang theory.
A nebula is a cloud of gases that can coagulate to become a new star.
Answer:
Potable water can be defined as the water that can used for drinking purpose and it should not harm the body in longer terms.
The potable water is high quality water which lacks pathogen that causes contamination.
It has dissolved minerals, salts, ions, oxygen and some other gases like nitrogen, carbon dioxide in an appropriate amount.
Answer: thalamus
n one, a neuron works with a sensory receptor, a cell, or cell process that is ... In most cases, the correct stimulus impinging on a sensory receptor will drive .the brain can carry two signals at once, ... "We found that there are periods of time when a given neuron responds to one stimulus ... Our brains are capable of processing multiple stimuli at once -- such as ... "Our working memory system is quite limited
Explanation:
Answer:
The statement "The stem cells preserved from the umbilical cord of the person" is the BEST source of stem cells and minimizes the risk associated with stem cell transplantation.
Explanation:
On late back before 90s people use to throw away the umbilical cord as well as the blood because they believed it as a medical waste. But, in today's generation parents are found to be storing safely their baby's umbilical cord and the blood as it has the stem cells which can be used against the treatment of various life-threatening and debilitating diseases. It has also shown the visible results in the treatment.
A. At the end of meiosis I each cell has twice the number of chromosomes as was in the original cell.
