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choli [55]
2 years ago
10

Which of the following best describes average speed?

Biology
2 answers:
kompoz [17]2 years ago
8 0

Answer:

B

Explanation:

Average speed is known as the mean of the speed or to make it simple all the milisecond stops added and divded by the volecity

Rama09 [41]2 years ago
3 0
The answer is B

Because the average rate of rate is a constant velocity.
I got it right on edge 100%
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Which pair of elements would be expected to form an ionic bond?
insens350 [35]

lithium and fluorine  

Lithium donates an electron to fluorine and make the fluorine with a negative charge and a full outer shell. Lithium consequently get a positive charge and a full outer shell. They then are attracted to each other an form a giant ionic lattice.  

Carbon and hydrogen are organic so they don't  

Nitrogen and Oxygen are also organic.  

Chlorine can form ions but not with silicon

4 0
3 years ago
Read 2 more answers
ATP is considered as nature dehydrating agent.what does it means?show with the help of examples
RSB [31]

Answer:

that man is mental

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2 years ago
Will mark brainliest!
saw5 [17]

Answer: The combination produced is RRtt.

The combination rrTt does not appear in this punnett square.

Explanation:

As the problem does not indicate more information, I assume that punnett square is made between two RRtt genotypes. It can produce gametes that have the alleles Rt. A gamete is a sexual cell (egg or sperm) that has only one allele of each gene. And, each gamete codes for a different gene. Since here we have two different types of alleles (R and t), it is a dihybrid cross.

<u>A Punnett square is a diagram used to predict the genotypes of a cross or breeding experiment.</u> It is used to determine the genotypes and phenotypes of the offspring. To do it, you have to label the rows with one parent's gametes and label the columns with the other parent's genotype. Then, have each box inherit letters from its row and column, and interpret the results.

Then, the punnett square (shown in the picture) will be between RRtt and RRtt whose gametes can only be Rt, so Rt x Rt will be made.

The result in an offspring which will be 100% RRtt, and there is no rrTt combination here because non of the parents have an r allele, then none of the children can inherit it.

To have an offspring where rrTt genotype is shown, a different genotype must be used, in which both parents must have at least one r allele and one t allele. For example, it could be Rrtt x rrTt.

5 0
3 years ago
The heating curve of an ice-water mixture that is slowly heated to 125°C contains three sloped and two level portions. What do t
scZoUnD [109]
The 2 level portion in the graph represents the changing of state.

Every substance has internal energy, which includes kinetic energy and potential energy. Kinetic energy means the temperature, and the potential energy means the bondings or attractions.

When a substance is heated up, they first increase their temperature as the same state. For example, the ice starts at - 5 °C, they won't start melting immediately as they're not at their melting point yet. Instead, they first absorb heat and increase their temperature to 0°C. This is same for when water increase their temperature until their boiling point. Their kinetic energy is increasing, but potential energy is unchanged as they stay at the same state. That's why the slope is increasing.

However, but once the ice or water has reached their melting or boiling point, they have to go through a state change. During that time, they do not increase their temperature (K.E. unchanged) . Instead, the heat they absorbed is used to increase the potential energy to break the bonds and turn into another state. The heat absorbed is called latent heat.

This explains why in the graph, there's 2 level portions, as the substance is going through a state change and increasing their potential energy instead of their kinetic energy (temperature)
4 0
3 years ago
Read 2 more answers
Which compound completes the equation _____ + O2 --&gt; CO2 + H2O + Energy
frez [133]

Answer:c) glucose

Explanation: The complete balanced chemical equation is C6H12O6 + 6O2 --> 6CO2 + 6H2O + Energy.

The equation above represents cellular respiration. During respiration, one molecule of glucose (C6H12O6) is broken down in the presence of six molecules of oxygen (O2) to produce six molecules of carbon dioxide (6CO2), six molecules of water (6H2O) and energy (ATP).

4 0
3 years ago
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