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Nonamiya [84]
3 years ago
11

during a solar eclipse, the sun apears to go either fully or partially dark. Why can solar eclipses only be observed on certain

parts of Earth? circle all that apply ​
Biology
1 answer:
KiRa [710]3 years ago
5 0

Answer:

the Moon is smaller than Earth. Only the people in the Umbra will see the sun go totally dark.

Explanation: N/A

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Which pair of statements correctly describes a way that the chromatin contributes to gene expression?
Novosadov [1.4K]

Answer:

Chromatin is responsible for gene expression.

Explanation:

Chromatin is responsible for gene expression because chromatin contains DNA that has all information about genes. chromatin controls the gene in order to form encoded products. DNA in chromatin send information to the RNA to produce specific types of proteins that are needed by the organisms for its growth and development so in that way the genes can be expressed in the organism.

8 0
2 years ago
What are the two major methods by which cells communicate to coordinate their functions?.
Anni [7]

Chemical messengers and the Electrical signals are the two main methods by which cells communicate with each other to coordinate their functions and metabolic activities.

According to biologist, A cell communicates through chemical messengers, by sending the chemical signals to other cells and also receive that signal from another cell. Similarly, Electrical signals or impulses also work in the same way.

Therefore, body contains many types of lipids which works as a chemical messengers also electical signal or impulses can easily travel throught these lipids. Cell uses these chemical messengers and electrical impulses to communicate with other cell. Although, In order to trigger a response, these signals are transmitted across the cell membrane of the cell.

Learn more about cell communication here

brainly.com/question/18223077

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7 0
1 year ago
Which of the following best describes the cycle of matter between humans and the environment?
JulsSmile [24]

Answer:

B: humans inhale oxygen from plants which is used in cellular respiration to produce water

Explanation:

8 0
2 years ago
Please help
tia_tia [17]

Answer:

True

Explanation:

During contraction of skeletal muscle fibers, the thin filaments slide inward toward the A band's center as a result of cycles of crossbridge binding and bending.

8 0
3 years ago
Read 2 more answers
Acetic acid and ethanol react to form ethyl acetate and water, like this: (aq)(aq)(aq)(l) Imagine of are removed from a flask co
ehidna [41]

Answer:

Greater than zero, and equal to the rate of the reverse reaction

Explanation:

this is an incomplete question in the first place, i saw the complete format online hence the answer am giving here.

Before any C2H5CO2CH3 is or was removed, the system is said to be in equilibrium.

This means that the rate of consumption of reactants and rate of generation of products are greater than zero and are equal, that means that both the forward and backward reactions are occurs at these rate.

7 0
3 years ago
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