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Anastaziya [24]
3 years ago
15

If you place flaccid plant cells in pure water, water ________ into cell because it has ________.

Biology
1 answer:
geniusboy [140]3 years ago
5 0
<span>If you place flaccid plant cells in pure water, water moves into the cell because it has a lower concentration of a solution than a concentration inside the cell. This solution (pure water) is called hypotonic solution. As a result, the cell is swelling.</span>
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describe two ways that birds and reptiles differ. use two particular animals as example in your description. help!!!!!!
natita [175]
Birds such as eagles have feathers and reptiles such as a lizard has dry scaly skin. Birds are warm blooded, and reptiles are cold blooded.
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3 years ago
Which of the following is true of carbon dioxide exchange? Select one: a. Carbon dioxide is produced in the mitochondria and cyt
sergey [27]

Answer:

d. Hemoglobin helps maintain a constant pH in the blood by binding with H⁺ions released from bicarbonate ions.

Explanation:

The presence (CO₂) in in the erythrocytes lowers its pH as a result the affinity of hemoglobin decreases for oxygen. The carbon dioxide (CO₂) reacts with water to form carbonic acid in the presence of the enzyme carbonic anhydrase which is present in the erythrocytes or red blood cells. The carbonic acid then changes into two ions hydrogen ion (H⁺) and bicarbonate ion (HCO₃⁻).  As a result of H⁺ ions, the pH of blood drops. Haemoglobin pick up hydrogen ions to balance the decrease in pH. Thus, haemoglobin helps in maintaining constant pH or keep pH of blood in buffer.

5 0
3 years ago
Identify the complete predicate in the following sentence. The family enjoyed a tasty fish supper.
aksik [14]
The "<span>complete predicate" in this form would actually be "Family". When considering the predicate, we are looking for the person that would be taking this kind of action. And in this case, it would be the family.

</span><span>The family enjoyed a tasty fish supper.</span>
5 0
3 years ago
Closing mines has no economic impact on communities.
VladimirAG [237]

Answer:

False. Closing mines has economic impact on communities.

Explanation:

  • Economy is impacted by any hindrance in activities of production,distribution and consumption of any good or services.
  • So, closing mines too has great impact in economic sector of that certain area.
  • In many countries, mining has been the major source of economy and job opportunities for the community people.
  • Closing these mines results in downfall of economy and increased unemployment in that particular community.
5 0
3 years ago
What environmental worldview is seen by critics as focused on short-term economic benefits with little regard for long term harm
attashe74 [19]
I believe the answer is the global free-market approach.
It is because on continually increasing use of earth's natural capital, and it focuses on short term economic benefits with little regard for degradation and depletion of natural capital and resulting long-term harmful environmental, health, and social consequences. Environmental world views are the ways of thinking about how the world work and beliefs that people hold about their roles in the natural world, another factor is widespread lack of understanding of how earth's life-support system works, keeps us alive, and supports economies. 
6 0
3 years ago
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