a molecule is made up of atoms or ions
some molecules found in the human body are H20 or CO2 or O2
Answer:
Here is some background information...
Explanation:
Leeuwenhoek (1633-1723) used melted glass balls to form lenses for apparently crude simple microscopes that nevertheless magnified up to 275 times! Modern tests have concluded that he could have achieved a resolution of two micrometres.
Answer:
A. Ocean currents influence weather patterns.
Explanation:
Great Britain is notorious for its gloomy cold and rainy weather. That is because a cold ocean current runs past it.
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Answer:
The density of the liquid is 0.87 g/ml
Explanation:
Density = 17.4g divides 20ml = 0.87 g/ml (rounded to one significant figure)
<u>Conservation is the most important strategy in the soil management programs of agriculture</u>
In the soil management various practices are followed which will help to conserve the soil and so as to increase the fertility of the soil. Being the most important step conservation is very mandatory, as the building up of new soil will take a lot of time. It also protects the soil from the bad weather and protects the erosion. In conservation process it helps in the nutrient preservation, which can give good yield when practised cultivation. More crops can be easily grown , which will fetch more money. The conserving soil can also help in biochar fertilizer.
