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Oxana [17]
3 years ago
13

List three reasons why is the sun essential to our lives on Earth

Chemistry
1 answer:
elena-s [515]3 years ago
5 0

OKAY SO FIRST.... THE SUN IS IMPORTANT FOR PLANTS TO LIVE AND UMMM... SECOND IT PRODUCES LIGHT AND HEAT WHICH WARMS THE EARTH... AND LAST BUT NOT LEAST

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Why do you see lightning before you hear the thunder?
krok68 [10]

B,speedof light>speed of sound

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2 years ago
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Brian's family has a compost pile at home. They put all the weeds they pull up from the garden in it as well as any vegetable wa
gladu [14]

Answer:

Option - It would happen faster at warmer air temperatures

Explanation:

The chemical process of converting organic matter such as plants, litter into organic soil, or organic compost called decomposition and perform by decomposers such as fungus or bacteria.

Like all other living organisms, decomposers also live in an optimal range of temperature. The major decomposers normally lie in the range of 30 to 40-degree celsius. Any type of fluctuation in this range might slow down the reaction of decomposition.

7 0
2 years ago
In performing the "STEP TEST" for 3 minutes, what was your score (your count)? *
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81

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Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide according to the equation: 3NO2(g)+H2O(l)→2HNO3(l)+
Vesnalui [34]

Answer:

2 mol NO2

Explanation:

                                      3NO2(g)+H2O(l)→2HNO3(l)+NO(g)

from reaction                3 mol        1 mol

given                           11 mol          3 mol

for 3 mol NO2  -----   1 mol H2O

for x mol NO2  -----   3 mol H2O

3:x = 1:3

x = 3 *3/1 = 9 mol NO2

So, for 3 mol H2O are needed only 9 mol NO2.

But we have 11 mol NO2. So, NO2 is in excess, and

11 mol NO2 - 9 mol NO2 = 2 mol NO2 will be left after reaction.

3 0
3 years ago
Milk of magnesia is a sparingly soluble suspension of magnesium hydroxide in water. it acts as an antacid by neutralizing hydroc
belka [17]

The milk of magnesia is a suspension of magnesium hydroxide in water, which is a strong base that is used to neutralize excess stomach acid. The presence of stomach acid or hydrochloric acid (HCl) that is known to be a strong acid will react with the strong base and neutralization reaction occurs since conjugate partners produced negligible strength where the products are a salt and water.

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3 years ago
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