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CaHeK987 [17]
3 years ago
15

Why is every part of the ecosystem important?

Chemistry
2 answers:
Sedaia [141]3 years ago
7 0
Every part helps an organism living in it survive
weeeeeb [17]3 years ago
7 0

Answer:they break down dead organisms to return nutrients to the soil

Explanation:

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How many atoms are in 22 grams of copper metal?
strojnjashka [21]
Atomic mass Cu = 63.546 a.m.u

63.546 g ---------------- 6.02x10²³ atoms
22 g --------------------- ??

22 x (6.02x10²³ ) / 63.546 => 2.08x10²³ atoms

hope this helps!
6 0
3 years ago
Percent Composition and Determining Empirical And Molecular Formulas
raketka [301]

Answer:

% comp. H = 2.8%, % comp. Cl = 97.2%

Explanation:

HCl mass = mass of H + mass of Cl

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% comp. of H = 1.007694 / 36.46094 x 100 = around 2.8% (2.76376308455)

% comp. of Cl = 35.453 / 36.46094 x 100 = around 97.2% (97.2355622208)

3 0
2 years ago
Which of the following statements about tolerance range is true?
vovikov84 [41]
A. Tolerance range is different for different organisms.
6 0
3 years ago
A Student Formulated A Hypothesis That Cotton Will Grow Larger Bolls ( Pods ) If Magnesium Is Added To The Soil. The Student Has
Sati [7]
Hypothesis is a smart guess that you make on the result of your experiment. You make this even before doing the experiment through inferential analysis. If the hypothesis you made was that, cotton will grow larger balls, then in the experiment, you should measure the cotton boll's size. The size should be in terms of diameter. So, the answer is b.
4 0
3 years ago
What type of reaction is FeS + 2HCl àFeCl2 + H2S?
ollegr [7]

Answer: 3 4 a noodles

Explanation: just is\lim_{n \to \infty} a_n  \lim_{n \to \infty} a_n  \lim_{n \to \infty} a_n \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right] \sqrt{x} x^{2} x^{2}

7 0
2 years ago
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