Answer: ''Dust from the hot Saharan Desert of northern Africa has a connection to a much different climate in South America, according to a study by NASA scientists. Using satellite data, the study has found that the dust is acting as fertilizer for South America's Amazon rainforest about 1,600 miles away to the west over the Atlantic Ocean.''
Explanation:
Answer:
Two classes of pure substances are elements and compounds
Answer:
Answer is option A temperature
Explanation:
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Answer:
No
Explanation:
As you might think, bacterial infections are caused by bacteria, and viral infections are caused by viruses. Perhaps the most important distinction between bacteria and viruses is that antibiotic drugs usually kill bacteria, but they aren't effective against viruses.
Answer:
C. Normal
Explanation:
The ray of light leaving the mirror is known as the reflected ray. At the point of incidence where the ray strikes the mirror, a line can be drawn perpendicular to the surface of the mirror