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postnew [5]
3 years ago
10

How to identify oxygen and carbon dioxide?​

Biology
2 answers:
n200080 [17]3 years ago
8 0

Answer: Place a glowing splint in the test tube, and if it reignites, it could be oxygen. Place a burning splint into a test tube, and if it goes out, it could be carbon dioxide. Or, place carbon dioxide gas in limewater, and if it turns milky and gets chunks, it is carbon dioxide.

Explanation:

i have done it before:)))

Genrish500 [490]3 years ago
6 0

Answer:

Place a glowing splint in the test tube, and if it reignites, it could be oxygen. Place a burning splint into a test tube, and if it goes out, it could be carbon dioxide. Or, place carbon dioxide gas in limewater, and if it turns milky and gets chunks, it is carbon dioxide.

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List 5 factors that can change the flow of water through an ecosystem: As land is
postnew [5]

Explanation:

5 factors are:

1). habitat change, 4 native species, (can not survive or reproduce 2 repopulate the area).

2).physical modifications of h20, or rivers.( dam's, rivers, changing h2o flow. critical 4 native fish, water fowl, microbes that eat harmful bacteria.

3).species that are not born 2 the area

4). pollution, due 2 human modification..

5). climate change, because of human modification..

hope this helps..

8 0
3 years ago
5. What is the basic structure of a Silicate-Oxygen tetrahedron mineral
vovangra [49]

Answer:

Tetrahedron Structure The chemical structure of silica forms a tetrahedron. It consists of a central silicon atom surrounded by four oxygen atoms, with which the central atom bonds. The geometric figure drawn around this arrangement has four sides, each side being an equilateral triangle—a  tetrahedron.

Explanation:

7 0
3 years ago
Out in the distance you see
Rama09 [41]

<em><u>F. berry bush</u></em>

this is ur ans !!

8 0
3 years ago
Read 2 more answers
How do you determine which letter to use when working with punnett<br> squares? *
Liula [17]

Answer:

enotype = the genes of an organism; for one specific trait we use two letters to represent the genotype. A capital letter represents the dominant form of a gene (allele), and a lowercase letter is the abbreviation for the recessive form of the gene (allele).

Explanation:

I hoped I helped out!!!❤️

5 0
3 years ago
Which of the following is a limitation of using a model to study a natural event?
Leto [7]

Answer:

C. The results of a model event may not be similar enough to the results of the actual event.

Explanation:

The problem with models is that sometimes we trust them too much! Sometimes they are not accurate for long-term actual events. This is answer choice C.

  • Models are never more accurate than reality, so rule out A.
  • The model is based on our predictions of the actual event, so rule out B.
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4 0
3 years ago
Read 2 more answers
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