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vichka [17]
3 years ago
9

Sam’s teacher asked him to make observations about animals at the zoo. Sam went to the zoo and filled in these two charts that t

he teacher gave him. What is the main difference between the species in Group 1 and Group 2?
SAT
1 answer:
Korvikt [17]3 years ago
6 0

In order to answer this question you have to attach the charts as well otherwise we won't be able to answer because we don't have the appropriate data.

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Which of the following is a primary air pollutant produced from burning coal?
Mrac [35]

Answer: Your answer is <u>Sulfur dioxide or SO 2</u>

Hope this helps!

5 0
2 years ago
circle the correct terms for the reaction going from left to right. reactant a gains/loses and electron to become product B
Effectus [21]

The question requires one to indicate the correct terms for the reactant from left to right.

<h3>What is a reactant?</h3>

A reactant is a material that enters and changes during a chemical reaction.

1. Reactant A (Gains/Loses) and electron to become product B

To produce B, reactant A loses one electron. The loss of one electron from an atom causes the atom to be oxidized.

Reactant A gives an electron to NAD+ and is transformed to B+ in the given reaction there is an increase in the positive charge. As a result, reactant A is oxidized to produce B+.

2. NAD+ becomes reduced in the process of the reaction.

NAD+ receives the electron given to it by reactant A and is reduced to NADH. As a result, the positive charge of NAD+ decreases.

3. NADH is more reduced than NAD+

NAD+ receives an electron and becomes NADH. As a result, NADH is decreased more than NAD+

4. NAD+ is in the more oxidized state compared to NADH

NAD+ has a surplus of positive charge as opposed to NADH. NAD+ must receive one electron in order to produce NADH. As a result, as opposed to NADH, NAD+ is more oxidized.

5. Reactant A is the electron donor in this reaction.

Reactant A loses one electron, resulting in positively charged B+. This electron is taken up by NAD+, which reduces to NADH. As a result,  the electron donor is reactant A.

6. Reactant A is the reducing agent in this reaction.

A reducing agent is a molecule that can transfer electrons.

Such a molecule has the potential to decrease another molecule while also becoming oxidized. Reactant A is the reducing agent in the given reaction, donating an electron to NAD+.

Following the electron transfer, reactant A is oxidized to product B+, and NAD+ is reduced to NADH.

Learn more about reactant at;
brainly.com/question/26283409
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3 0
2 years ago
In addition to replacing officers lost to desertions, defections, and retirements, what was among the significant rebuilding cha
trasher [3.6K]

People often face one or more problems daily. Police Department faced following Hurricane Katrina is had the challenge of Refurbishing flooded police headquarters.

<h3>The challenges that face police officers during Hurricane Katrina?</h3>

There were a lot of social implications of natural disasters, such as the one of Hurricane Katrina. This was known to be of huge concern to police, because it brought about the shifting duties that centers around crime control and emergency relief to the breakdown or vadalization of some key elements of the police infrastructure.

It also brought about the the destruction of police communication and transportation.

See options below

a. Restoring healthy water supplies

b. Repaving streets and roads

c. Improving city utility services

d. Refurbishing flooded police headquarters

Learn more about hurricane Katrina from

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5 0
2 years ago
The maximum activity level (which is 1.00) of an enzyme occurs at a pH level of 4 pH units.
Zanzabum

Answer:

O2 affinity depends on the pCO2 and pH.

Higher pH -> Higher O2 affinity -> Higher O2 saturation at higher pH level

Higher pCO2 -> Lower O2 affinity -> Higher O2 saturation at lower pCO2 level

This is a benefit because it allows the affinity of Hb in venous blood conditions (lower pO2, higher pCO2, and lower pH) to be much lower than in arterial conditions. Therefore, when blood goes from arterial to venous, the oxygen concentration decreases much more dramatically due to more oxygen (around 2x) being released to the tissues, which is possible due to the changes in affinity caused by the Bohr effect.

Explanation:

please give brainliest

4 0
3 years ago
Should I take a year break after graduation and before going to college. Please explain
nata0808 [166]

Answer: yes you should

Explanation: Taking a gap year before college will allow you to perform better when you do attend college. This is due to many reasons, but the main factor is that having a year of time off between the end of high school and the beginning of college will cause you to take your education more seriously.

3 0
3 years ago
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