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gladu [14]
3 years ago
13

Sharks and whales look similar, but they’re different types of animals. Whales are mammals, while sharks are fish. Which body pa

rt do sharks have that whales lack?
Need it asap
Biology
1 answer:
DedPeter [7]3 years ago
7 0

Answer:

Gills

Explanation:

Sharks are fishes and thus have gills through which they absorb oxygen from the water.

On the other hand,  Whales being mammals use lungs to breathe. They can’t directly obtain oxygen from water.

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How would expect the biomass to change after ten days if seeds and plants were provided the following conditions?
atroni [7]

Answer:

La biomasa (energía) se refiere a la biomasa «útil» en términos energéticos formales: las plantas transforman la energía radiante del Sol en energía química a través de la fotosíntesis, y parte de esa energía química queda almacenada en forma de materia orgánica; la energía química de la biomasa puede recuperarse quemándola directamente o transformándola en combustible.

Explanation:

8 0
3 years ago
What is the difference between active and passive transport across the plasma membrane?
Oduvanchick [21]
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Active is the meaning of a movement that crosses across some cell membranes that requires the use of cell energy.

Answer:
The answer is that passive doesn't use cell energy but active uses cell energy.
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8 0
3 years ago
What is the difference between a pressurized water reactor and a boiling water reactor?
lesya [120]

Answer:

Its c

A pressurized water reactor does not boil the water!

Explanation:

  • There are different type of nuclear power plants, that are used to generate electricity other than the water ,wind and solar electricity generation.
  • The nuclear power plants use uranium as fuel that heat the water and the steam generated runs the turbine
  • The most common type of nuclear power reactors are :-

The pressurized water reactor

  • It heats boils the water to ane extreme temprature but it doesnt boil it that water due to the great amount of pressure it is under  

The boiling water reactor

  • the nuclear fission reaction of uranium generates great amount of enegery that is absorbed by the water and it starts to boil , the steam generated runs the turbines

4 0
3 years ago
PLEASE HELP!!!!! A black swan and white swan breed and produce offspring that are gray in color. What is the most likely explana
SpyIntel [72]

Answer: C

Explanation: All of them could be correct, but I think this is the correct answer. I’m only in middle school, so if your not rushing you may as well wait for someone else.

6 0
3 years ago
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Meiosis contributes to genetic variation due to which of the following characteristics of the process?
Rashid [163]

Answer: Due to crossing over and independent assortment.

Explanation: Crossing over occurs in Prophase I. It's when the homologous chromosmes switch genes with each other. This ways, genes are recombined, unique chromosmes are made!

6 0
3 years ago
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