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Dmitry [639]
3 years ago
10

Guys please help!! this is 9th grade biology i’m so confused

Biology
1 answer:
sweet-ann [11.9K]3 years ago
6 0

Answer:

ikopn

Explanation:

hbgvfdfbbbbbhkkn,∅∅∵∵∵∵↔→⊅⇵⇵∝

ghjkjhyoulv

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Which of the following is a covalent compound?
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Answer:

Water is a covalent compound.

Explanation:

covalent compounds are individual molecules characterized by the sharing of electrons between two or more atoms. Two atoms with similar electronegativity will not exchange an electron from their outermost shell; the atoms instead share electrons so that their valence electron shell is filled.

Example:

Examples of compounds that contain only covalent bonds are methane (CH4), carbon monoxide (CO), Water (H2O) and iodine monobromide (IBr).

Properties:

1. At room temperature and normal atmospheric pressure, covalent compounds may exist as a solid, a liquid, or a gas.

2. Covalent compounds do not exhibit any electrical conductivity, either in pure form or when dissolved in water.

3. Covalent compounds have lower melting and boiling points.

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Match the planet with its best description.
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Continental drift states that continents moved ____ to their current location
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<h3>Slowly</h3>

Wegener proposed the hypothesis of continental drift, which suggested that continents are in constant motion on the surface of Earth. Over time Pangaea began breaking apart, and the continents slowly moved to their present positions.

<h3>What is Continental Drift ?</h3>

The theory of continental drift is most associated with the scientist Alfred Wegener.

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  • The four pieces of evidence for the continental drift include continents fitting together like a puzzle, scattering ancient fossils, rocks, mountain ranges, and the old climatic zones' locations.

Learn more about Continental Drift here:

brainly.com/question/7350119

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4 0
2 years ago
I need help...thank you in advance!
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The diagram shows two cells. Identify structures C, D, and E and explain how they work together to perform a specific process wi
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Explanation:

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