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gladu [14]
3 years ago
9

L 1.4.2 Test (CST): Computer-Scored Unit Test

Biology
1 answer:
Helga [31]3 years ago
8 0

Answer: D)  Building cars that give off less pollution!

Hope this helps!! :D

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A/an _____ is an injury to a joint such as the ankle, knee, or wrist.​
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I think its strain or sprained
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What are two global issues associated with using fossil fuels for energy?(1 point)
astraxan [27]

Answer: b. fossil fuels are nonrenewable, so humans will run out of them eventually. burning fossil fuels also contributes to global climate change by releasing carbon dioxide into the atmosphere.

Explanation:

Fossil fuels are limited and we will run out of them eventually. They cannot be replenished in a single human's lifespan. Fossil fuels contribute to the destruction of ecosystems, but not only that. They release carbon dioxide into the atmosphere that warms the Earth. Therefore, anything other than B. would be incorrect.

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Cytoskeletal elements play important roles in cell division. The mitotic spindle apparatus is made of ________ and pulls sister
Veseljchak [2.6K]

Answer:

Cytoskeletal elements play important roles in cell division. The mitotic spindle apparatus is made of "microtubules" and pulls sister chromatids apart, whereas the contractile ring is made of "actin filaments" and required for the separation of daughter cells at the end of the mitotic phase of the cell cycle.

Explanation:

The three chief organizational apparatuses of the cytoskeleton are microtubules (formed by tubulins), microfilaments (formed by actins) and intermediate filaments. All three apparatuses cooperate with each other non-covalently. The cytoskeleton is composed of protein filaments and is found throughout the inside of a eukaryotic cell. The cytosol is the main component of the cytoplasm, the fluid that fills the inside of the cell. The cytoplasm is everything in the cell except for the cytoskeleton and membrane-bound organelles.

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4 years ago
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Mekhanik [1.2K]
I believe the answer to this is B
7 0
4 years ago
A student states that petrification occurs when pore spaces in an organism's remains are filled with minerals that precipitate o
Cloud [144]

Answer:

C. Both A and B describe errors in the statement.

Explanation:

In fossilization i.e formation of fossils, two terms are used as follows: permineralization and petrification.

- Permineralization is a process whereby the pore spaces of an organism's remains are filled with mineral matter that precipitates from lake and ocean solutions.

- On the contrary, petrifaction or petrification is the process whereby a once-living tissue (matter) are REPLACED by minerals, hence, preserving the organism's structure by turning it into a stone (petros).

According to this question, the student mixed up their definitions by giving the definition of permineralization instead, however, options A and B have described the errors associated with the statement.

7 0
3 years ago
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