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Digiron [165]
3 years ago
11

The process of natural selection relies on variation within a population or species and occurs when -

Biology
1 answer:
forsale [732]3 years ago
3 0

Answer:

A

Explanation:

by the definition of natural selection more fit organisms survive and reproduce more, propelling population change.

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Investiga cinco efectos sobre la salud derivados de la exposición física y consumo de aguas contaminadas por desechos industrial
jekas [21]

Answer:

Estar expuesto o consumir agua contaminadas por desechos industriales o municipales puede causar:

  • Daños  neurológicos.
  • Infecciones virales.
  • Irritación de la piel.
  • Problemas gastrointestinales.
  • Problemas cardiacos.

Explanation:

La exposición y consumo de aguas contaminadas puede traer diversos problemas. Estas aguas pueden tener virus y bacterias que causan enfermedades tales como gastroenteritis, la cual causa dolor intestinal y vómitos; poliomielitis, la cual daña los músculos y puede terminar en la muerte; hepatitis, virus que afecta el hígado; entre otras enfermedades. Además de la presencia de virus y bacterias que representan una amenaza para nuestra salud, también hay desechos industriales y elementos tales como el arsénico que causan daño en el sistema nervioso, renal, respiratorio, en nuestro corazón y la piel.

Debido a los diversos daños que representan las aguas contaminadas es importante cuidarla y estar siempre en contacto con aguas tratadas o limpias.

3 0
2 years ago
4. Which might change, depending on the
Wittaler [7]

Answer: Apparent magnitude.

Explanation: The absolute magnitude scale is how the luminosity (or true brightness) is measured. The luminosity depends on the temperature, size, spectra. The apparent magnitude is the brightness of the star<em> as it appears from Earth. </em>

3 0
3 years ago
Which of the following statements best describes the likely effect of the channel on the process carried out by tryptophan synth
LUCKY_DIMON [66]

Answer:

The tryptophan synthase enzyme catalyzes the synthesis of tryptophan. This enzyme is found in all kingdoms except animals.

Tryptophan synthase has a hydrophobic channel that facilitates the passage of an intermediate from one enzyme to the other during the biosynthesis of tryptophan, which makes faster the metabolic process.

4 0
2 years ago
Which activity is most likely a result of a sudden, unexpected hangs in the environment? A. a dog mating to produce offspring B.
cupoosta [38]
It would probably be .D. Plankton populations decreasing.
8 0
3 years ago
Step to cleaning a polluted beach
jonny [76]
1. Plan a date
2. Approve with parents
3. Get friends or a club to help
4. Try to get an adult or two ( Be smart. Be safe)
5. Grab lots of trash bags and maybe gloves.
6. Pack food and water at you will be out for a while
7. HAVE FUNN!!

-Jay❤️
6 0
3 years ago
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