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vovikov84 [41]
3 years ago
6

Que es la fricción help me​

Biology
1 answer:
nikdorinn [45]3 years ago
7 0

Answer:

La fricción, fuerza de roce o fuerza de rozamiento es una fuerza existente entre dos superficies que se encuentren en contacto, y que se opone al movimiento, o sea, tiene dirección contraria al movimiento.

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A muscle is composed of many muscle fibers arranged in bundles called
olga nikolaevna [1]

Answer:

Fascicles

Explanation:

Muscle fibers are arranged into bundles known as fascicles. These are in turn covered by connective tissue called perimysium.

5 0
3 years ago
Natural selection causes A. changes in allele frequencies within a population. B. changes in the mechanism of inheritance. C. th
wolverine [178]

Answer:

Natural selection causes change in allele frequencies within a population.          

So option A is correct one.

Explanation:

Natural selection generally  work  on an organism’s phenotype, or observable features. Phenotype is often largely a product of genotype (the alleles, or gene versions, the organism carries). When a phenotype produced by certain alleles helps organisms survive and reproduce better than their peers, natural selection can increase the frequency of the helpful alleles from one generation to the next – that is, it can cause microevolution.

4 0
3 years ago
Functions of the urinary system include select one:
Maru [420]
D. ) All of the above
3 0
3 years ago
Effect of water pollution​
PIT_PIT [208]

Destruction of biodiversity. Water pollution depletes aquatic ecosystems and triggers unbridled proliferation of phytoplankton in lakes — eutrophication —. Contamination of the food chain.Human diseases: Pathogens(viruses,bacteria,fungi,protozoa etc)are biological pollutants of water. They cause typhoid,cholera,dysentery,jaundice,hepatitis.

HOPE IT HELPS

PLEASE MARK ME BRAINLIEST ☺️

6 0
3 years ago
What does biologist study?
Elza [17]

Answer:

<h3>Biologists study humans, plants, animals, and the environments in which they live. They may conduct their studies--human medical research, plant research, animal research, environmental system research--at the cellular level or the ecosystem level or anywhere in between.</h3>
5 0
2 years ago
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