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zmey [24]
2 years ago
15

Which is most likely a covalent compound? A.LiF B.MgS C.NH3 D.CaCl2

Biology
2 answers:
yKpoI14uk [10]2 years ago
6 0
NH3 since they are both non metals
Answer:C
miskamm [114]2 years ago
6 0

Answer:B

Explanation:

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describe two observations of water that provide evidence that water molecules are attracted to one another
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Answer:

Polarity causes water molecules to become attached to each other.  Cohesion is also know as the attachment of 2 of the same substance

5 0
3 years ago
I know someeone know this help us out
ycow [4]
The answers you need are:
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3 years ago
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How are cardiac muscle, smooth muscle, skeletal muscle alike?
AysviL [449]

Answer:

They are alike because they perform Voluntary and Involuntary Controls.

Explanation:

1). Skeletal muscle: The skeletal muscle brings about movement by pulling on the skeletal parts of which they are attached. This is the type of movement that is responsible for locomotion.

2). Smooth Muscle: This muscle is composed of elongated spindle-shaped cells which are grouped into bundles or sheets. They are least specialized muscle cells and are under the control of the autonomic nervous system.

3). Cardiac muscle: This muscle is only found in the walls of the heart. The muscle cells are branched and connected to one another by special discs. These cells helps the cells to contract and relax in unison so that the heart can pump rhythmically.

5 0
3 years ago
Which of the following resources can be in limited supply in an ecosystem?
ivanzaharov [21]

Answer:

Food, sunlight, water, oxygen and shelter :3

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As a growing population reaches the limits of the available resources in an environment, its size levels off to "match" the amount of resources available. In doing so, the population reaches its carrying capacity.

Another factor that affects the carrying capacity of an ecosystem is the rate at which decomposers can break down the remains of dead organisms within the ecosystem. The faster an ecosystem can recycle the nutrients in dead organic matter, the larger the populations it sustains can become.

4 0
3 years ago
Which of the following threats to biodiversity is a result of cutting down forests'
allochka39001 [22]
The threat to biodiversity is human impact
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2 years ago
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