Answer:
_________
Explanation:
Because a stationary front marks the boundary between two air masses, there are often differences in air temperature and wind on opposite sides of it. The weather is often cloudy along a stationary front, and rain or snow often falls, especially if the front is in an area of low atmospheric pressure.
A) the ozone layer, it is the one that takes the uv light from the sun
To copy the DNA, recombinant DNA method use bacteria such as E. Coli whose plasmids has been combined with various gene to produce the substance that is wanted.
Sound waves cannot travel through a vacuum. This is because sound waves move by actually compressing molecules--therefore in a vacuum it would be impossible for sound to travel. This is also why no sound can be heard in space.
Answer:
The WHO defines health as a state of “complete physical, mental and social well-being and not merely the absence of disease or infirmity.” The Centers for Disease Control and Prevention, along with a range of WHO partners, endorses this definition. Being healthy, in their view, excludes having any disease.
Explanation:
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