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snow_tiger [21]
3 years ago
8

It would be greatly appreciated if someone would be able to explain to me why.

Biology
1 answer:
alexira [117]3 years ago
6 0
Ice cubes float because as it cools further and freezes into ice, it actually becomes less dense. On the other hand, most substances are most dense in their solid aka frozen state than in their liquid state. Water is different because of hydrogen bonding. ... ice floats because it is about 9% less dense than liquid water.
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When is the possibility of solar weather affecting terrestrial weather the highest?
Iteru [2.4K]

Answer:

C

Explanation:

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3 years ago
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SOMEONE PLEASE HELP: How does the knowledge of what a landfill is relate to sustainability?
yarga [219]

Answer:

Adding moisture to the waste in a suitably designed and operated landfill should increase its degradation, leading to less risk and a move towards sustainability. ... Proper aeration, moisture addition and gas extraction are needed to control the environment required for aerobic processes to thrive with optimum efficiency.

Explanation:

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3 years ago
What are the primary atoms that make up the scents that we smell? 2. is scent subjective? why or why not? 3. what are the two di
aleksandrvk [35]

Answer: seen below

Explanation:

1) The olfactory receptor can recognize and respond to different ordor, For humans, most odorant molecules are made up of combinations of 5 kinds of atoms: these are, carbon, hydrogen, oxygen, nitrogen, and sulfur.

2) yes, scent is subjective. This is because there is likely variation in people's sensitivity to odor or personal appreciation of different odors. Not everyone smells the same thing.

3) The two proposed theories for the mechanics of scent recognition are; vibration theory and shape theory which is also called the lock and key model. The main problem with one of Turin theories is that we can't currently predict odor character from vibration any better than we can from shape. That is we are still terrible at predicting ordor character from molecular structure.

4) Science has contributed to the creation of scented products and perfumes by having chemical Mixtures Tested in labs and addition of substances for smell.

5) Scents or fragrances are used in cosmetology as perfumes, lotions, shampoos, face washes, body cream, conditioners, etc. Cosmetologist need to be aware of scents and fragrances because if a perfume had a scent that did not smell right then no one would want to purchase their product.

3 0
3 years ago
What would happen to the moose population if the wolves were removed?
rewona [7]

Answer:

Moose would go unchecked and increase to a point and then decrease due to other limiting factors.

8 0
3 years ago
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Si se aparean especies diferentes como por ejemplo el cruce entre caballos y burros; podemos afirmar que si llegan a tener desce
White raven [17]

Answer:

El híbrido va a ser esteril.

Explanation:

En la cruza entre dos especies distintas, cuando ocurre, existen distintos mecanismos de aislamiento reproductivo, que son barreras que inhiben o interrumpen el flujo génico entre especies distintas. Es decir que no habrá exito reproductivo de estas cruzas. Se trata de caracteres biológicos propios de cada especie que previenen la reproducción con otras especies.

Estos mecanismos de aislamiento reproductivo pueden ser precigóticos o postcigóticos.  

  1.Pre-copulatorios o pre-cigóticos:

  • Ecológico o por aislamiento de hábitat;
  • Estacional o temporal;
  • Sexual o etológico;
  • Mecánico;
  • Por incompatibilidad de gametas.  

  2. Post-copulatorios o cigóticos:

  • Inviabilidad del híbrido;
  • Esterilidad del híbrido;
  • Híbrido con viabilidad o fertilidad disminuido;
  • Interacciones citoplasmáticas.

La mula es producto de la cruza entre dos especies distintas: una yegua (Equus ferus caballus) y un burro (Equus africanus asinus). Es un ejemplo de la accion de mecanismo poscigótico, en el cual se forma un híbrido viable esteril. Este ejemplar puede nacer, crecer y sobrevivir, pero que no puede producir gametas funcionales, por lo cual no puede reproducirse.  

7 0
3 years ago
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