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kenny6666 [7]
3 years ago
6

How do scientists use weather tools to keep people safe

Biology
1 answer:
Iteru [2.4K]3 years ago
7 0
Scientists use weather tools to figure out if there is a big storm/tornado/hurricane so they can warn the people to prepare for whatever is coming
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What process is involved in over irrigation that results in the reduction of soil fertility? A) Water penetrates the deep soil l
Olegator [25]

i believe the answer is B, Salt accumulates near the surface of the soil.

7 0
4 years ago
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The diagram shows the displayed formula of a substance. How many different elements are there in this substance?
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There are only three elements in the above structural formula above:

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4 0
2 years ago
Which statement is true about the
insens350 [35]

Answer:

Conditions are more marine higher in

the intertidal and more terrestrial

lower in the zone.

Explanation:

This is because the intertidal zone in the Marine sea shore is submerged or overwhelmed with water during high tide and exposed to the air during low tide. The zone is in different forms which might be from sandy beaches to rocky cliffs. intertidal zone change frequently once or twice every day since it is constantly affected by crashing waves. They have moist temperature,humid air and also high degree of salinity.

8 0
3 years ago
1) How many grams of CO are needed with an excess of Fe2O3 to produce 35.0 g Fe?
satela [25.4K]
1. Moles Fe = 209.7 g/ 55.847 g/mol= 3.75 

The ratio between Fe and CO is 2 : 3 

Moles CO = 3.75 x 3 /2 = 5.63 

<span>Mass CO = 5.63 mol x 28.01 g/mol= 157.7 g

2. </span><span />2Na + 2H2O --> 2NaOH + H2<span>atomic weight of sodium is 23             48.7/23 = 2.12 moles  of sodium 
2.12/2 x 24 = 25.44dm^3 hydrogen = 1.06 moles

so multiply it by Avogadro's number1.06 X 6.02x10^23 = 1.204x10^24 molecules of hydrogen
 </span>
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3 years ago
Farms are to hunting and gathering as
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Plumbing is to outhouses
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