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Mamont248 [21]
3 years ago
13

Humans interact with all levels of the world's ecosystems to obtain all of these necessities except

Biology
2 answers:
PtichkaEL [24]3 years ago
8 0
B, i would think, because we need food for energy, and shelter to live, we dont need a mate.
blagie [28]3 years ago
6 0
The correct answer for this would be letter B. Mates

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Answer:

d) The frequencies of the alleles for dark wing color in the moth population

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A chemical reaction is shown.
mixas84 [53]

Answer:

1) A chemical reaction is shown.

SnO2 + H2 → Sn + H2O

What is true about this chemical reaction?

B.

It is unbalanced because the mass of the reactants (number of atoms) is greater than the mass of the products (number of atoms).

2) Read the information about an experiment.  

Jadon plans on carrying out an experiment involving the burning of steel wool to illustrate the conservation of mass. Steel wool is made of iron. When it is burned it combines with oxygen to form iron(III) oxide.

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The steel wool should be burned inside of a sealed jar or other closed system.

Explanation:

The explanation to number 1 is that I selected it in my test and got it.

The explanation the number 2 is from the link below:

https://quizizz.com/admin/quiz/5dee60258f1145001bc02ed5/physical-science-2nd-9-weeks-practice-test-2020

8 0
2 years ago
A double slit arrangement produces interference fringes for yellow sodium light. To produce narrower-spaced..?fringes, should re
Artyom0805 [142]

Answer:

Blue light

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How is meiosis similar to mitosis?
Rudiy27

Answer:

Both mitosis and meiosis are processes of cell division. They use the same steps for cell division, including prophase, metaphase, anaphase and telophase. Also, mitosis produces 2 diploid cells, while meiosis produces 4 haploid cells.

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3 years ago
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<u>Answer:</u>

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