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zysi [14]
3 years ago
10

Which of the following is known as the powerhouse of the animal cell? endoplasmic reticulum, Golgi apparatus, mitochondrion or n

ucleoli
Biology
2 answers:
Dafna11 [192]3 years ago
6 0
The mitochondria is the power house of a cell
Mandarinka [93]3 years ago
3 0
 <span>Mitochondria are known as the powerhouses of the cell

</span>
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Describe how a metamorphic rock might become a sedimentary rock over time.​
Darya [45]

Answer: Geologic Eplift and Erosion

Explanation: This happens due to geologic uplift and the erosion of the rock and soil above them. At the surface, metamorphic rocks will be exposed to weathering processes and may break down into sediment. These sediments could then be compressed to form sedimentary rocks, which would start the entire cycle again.

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3 years ago
Some species of millipedes will roll into a ball when threatened, while other species of millipedes can secrete noxious chemical
nikklg [1K]

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Stay safe from predators in their natural environments. I'm pretty sure this is the answer but it might not be.

Explanation:

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3 years ago
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What characteristic of water causes water to stick to the side of a test tube?
bazaltina [42]

Answer:

The characteristic of water that makes this liquid stick to the side of a test tube is called capillarity (Claim).

Explanation:

Water (H₂O) is a polar molecule with the ability to generate van der Waals forces, which is explained by the 4 hydrogen bonds it forms to bind to other substances. The consequence of the forces of the molecular bonds are four properties of H₂O, including surface tension, cohesion, adhesion and capillarity.

- <u>Claim</u>: The characteristic of water that makes this liquid stick to the side of a test tube is called capillarity.

- <u>Evidence</u>: Cohesion and adhesion of water are properties that come from the forces of the molecular bonds of water, and whose effect is the ability of water to wet surfaces and adhere to a tube that contains it, the latter due to capillarity. Capillarity also allows water to rise through the roots and stems of plants, through their thin vascular ducts.

- <u>Reasoning</u>: <u>cohesion</u> in water depends on the force of attraction between H₂O molecules, <u>adhesion</u> is the capacity of H₂O molecules to join other different molecules and —together with <u>surface tension</u>— make H₂O molecules close to the walls of a glass tube adhere to it, which represents capillarity.

The effect of capillarity is more evident when the test tube is of a smaller diameter, although capillarity and adhesion to its walls always exist, and to a greater degree than any other substance.

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2 years ago
Dated to approximately 500,000-400,000 years ago, the site of _______ has yielded a sample of 4,000 fossil fragments representin
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Answer:

c. ​Sima de los Huesos

Explanation:

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3 years ago
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ahrayia [7]
. Igneous rock is formed through the cooling and solidification of magma<span> or </span>lava<span>. The magma can be derived from </span>partial melts<span> of existing rocks in either a </span>planet<span>'s </span>mantle<span> or </span>crust<span>. Typically, the melting is caused by one or more of three processes: an increase in </span>temperature<span>, a decrease in </span>pressure<span>, or a change in composition.  In this case, the "rock" is ice. The hot water has cooled through a change of temperature to create a solid structure (ice).</span>
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2 years ago
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