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Rama09 [41]
3 years ago
10

If an invasive species of beetle enters this community, which change is most

Biology
2 answers:
kompoz [17]3 years ago
8 0

Answer: its b

Explanation:

idk i just guessed and got it right

Anettt [7]3 years ago
4 0

Answer:

For APEX: A decline in the native species of beetle.

Explanation:

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You've been experiencing acid indigestion lately, and you'd like a quick fix for the problem. You do a little research on the In
Licemer1 [7]

Answer:

<em>C: After 1 hour, the pH of the solution in the PEPCID AC beaker was 9.2 and the pH of the solution in the Alka-Seltzer beaker was 8.3</em>

Explanation:

The degree of acidity or alkalinity/basicity of a substance is its pH. The value of pH ranges from 1 to 14 with the former being extreme acidity and the latter being extreme alkalinity while pH 7 is considered neutral.

Hence, any pH below 7 is considered acidic and above 7 is considered alkaline.

Reactions involving equal volumes of an acid and a base can end in acidic, alkaline or neutral pH depending on the strength of the acid/base involved;

  • Equal volumes of strong acid with strong base will result in neutral pH
  • Equal volumes of weak acid with strong base will result in alkaline pH
  • Equal volume of strong acid with weak base will result in acidic pH

If substance A and B reacts with equal volume of the same acid under the same condition and the end result of A is a solution with pH of 9.2 and that of B is a pH of 8.3, it simply means substance A is a stronger base than substance B.

<em>Hence, the only outcome that supports the hypothesis that a tablet of PEPCID AC can neutralize more stomach acid than a tablet of Alka-Seltzer is that the pH of the solution in the PEPCID AC beaker was 9.2 and the pH of the solution in the Alka-Seltzer beaker was 8.3 after being subjected to the same condition.</em>

If an indigestion is due to excess stomach acid, the only way to reduce the acidity is to consume a substance that will decrease the degree of acidity in the stomach. This means that the patient will need to consume something that is alkaline in order to increase the pH.

8 0
2 years ago
How does mining impact the environment?
Step2247 [10]

Answer:

It has a negative impact on the environment by allowing toxic chemicals to harm wildlife.

Explanation:

Mining refers to the act of extracting minerals and other valuable solids from the earth's crust. The process of mining can have adverse effect on an ecosystem in the sense that wildlife is threatened during the process.

During the mining process, chemicals, which are toxic to living organisms, from the minerals gets washed into the areas surrounding the mining site. Thereby, causing serious harm to the wildlife living in those areas.

7 0
3 years ago
Read 2 more answers
The lifetime of a cell can be oranized into a cell cycle the first stage of the cell cycle is
Nikolay [14]
It is the Prophase as the first stage of four.
6 0
3 years ago
Why would you need a microscope to see a prokaryotic organism?
Katen [24]
Beacause prokariyotics are unicellular organisms.
5 0
3 years ago
A mushroom gains its energy by decomposing the tissues of dead organisms. Should mushrooms be classified as autotrophs, heterotr
stealth61 [152]

Answer:

They are heterotrophs because their food is made by other organisms.

Explanation:

Unless the organism can create their food independently via photosynthesis or chemosynthesis, they must get their food from elswehere.

In the case of mushrooms, they are scavengers/decomposers, meaning they consume energy from once living organisms, thus classifying them as heterotrophs.

Have a nice day!

4 0
2 years ago
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