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maw [93]
3 years ago
7

Which system contains the teeth, saliva, stomach, small intestine, large intestine and colon?​

Chemistry
1 answer:
lapo4ka [179]3 years ago
8 0

Answer: Digestive system.

Explanation: Assuming that you are human, you use this system a few times a day. They system is one of the bodies key functions to remain alive. The teeth grind down the food, the saliva allows it to be swallowed, the stomach has acids that break down the food, the small intestine absorbs the nutrients from the food eaten, the large intestine gets rid of the waste left over.

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What processes add methane (CH4) to the atmosphere<br>​
tekilochka [14]

Answer:

Cultivated rice paddies

Drilling of natural deposits

Fossil fuel use

Burning of biomass

Landfills

Explanation:

The bulk of the methane released into the atmosphere are as a result of various human activities.

  • Cultivated rice paddies are a known source of methane
  • The drilling of natural deposits and their exploration can release some methane into the atmosphere
  • Burning of fossil fuel and biomass is a source of methane
  • Landfills produces methane as organic materials begins to decay.
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4 years ago
Question 8<br> Review<br> Which metal jis most easily oxidized?
tester [92]

Answer:

The order of some common metals in the electromotive series, starting with the most easily oxidized, is: lithium, potassium, calcium, sodium, magnesium, aluminum, zinc, chromium, iron, cobalt, nickel, lead, hydrogen, copper, mercury, silver, platinum, and gold.

Explanation:

8 0
4 years ago
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Vanillin (used to flavour vanilla ice cream and other foods) is the substance whose aroma the human nose detects in the smallest
Rudiy27

Answer:

The cost is $0.063.

Explanation:

First, we need to express the volume of the hangar in liters. We know that 1 ft³ = 28.31 L, so using proportions:

5.0 \times 10^{7} ft^{3} .\frac{28.31L}{1ft^{3} } =1.4 \times 10^{9} L

The amount of vanillin required would be:

1.4 \times 10^{9} L.\frac{2.0\times 10^{-11}g }{1L} =0.028g

Finally, the price for such amount of vanillin is:

0.028g.\frac{ \textdollar 112}{50g}=  \textdollar 0.063

6 0
3 years ago
When preparing a buret for use in lab, the buret must always be cleaned thoroughly. prior to being filled with solution, the bur
erastova [34]
It is rinsed one last time with the solution to be measured because if there is water in the burret, then it could alter the results. Slightly, but it is still altering it.
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3 years ago
5 atoms Pb to mol Pb
jek_recluse [69]

Answer:

0,83 x 10-²³ mol

Explanation:

n=N/Na

n=5:(6,02 x 10²³)

5 0
4 years ago
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