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fenix001 [56]
2 years ago
8

Helium has an atomic number of two, so its outer energy level is full. Helium is considered _____.

Biology
2 answers:
o-na [289]2 years ago
5 0

Answer:

inert

Explanation:

Rudiy272 years ago
4 0
Helium has an atomic number of two, so its outer energy level is full. Helium is considered inert. The correct option among all the options given in the question is the second option. It is actually non toxic in nature. Helium is also colorless, odorless and tasteless in nature. It is the first in the noble gas group of the periodic table.
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Identify the ways in which a rooftop garden can reduce the heat absorbed, compared to an asphalt roof. Select the three correct
romanna [79]

Answer:

plants release water vapor

unlike asphalt, soil is not black.

The paler color reflects more light.

Explanation:

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2 years ago
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A scientist wrote a paper titled “Directional Selection in Action” after observing a population of mice for 15 years. The mice t
lilavasa [31]

Answer:

<em>The correct option is B) Her title is accurate because one extreme is favored.</em>

Explanation:

In ecological studies, directional selection can be described as a selection due to which an extreme phenotype is favoured by natural selection and evolution causes the change in allele frequencies in favour of the extreme phenotype.

In the condition described in the question, the phenotype for eating insects was the extreme phenotype which was favoured by natural selection. The allele frequency for this extreme phenotype became abundant due to evolution. Hence, option B is correct.

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2 years ago
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Indicate whether each statement is true or false. 1. Rod cells are depolarized in the dark. (Click to select) 2. Glutamate binds
faltersainse [42]

Answer:

The correct answer is - 1. true, 2. true, 3. false, and 4. true.

Explanation:

1. Rod cells are the photoreceptors present in the retina that are hyperpolarized not depolarized in dark due to sodium ions efflux.

2. Depolarisation of the bipolar cell of the retina by glutamate release by rods and cones.

3. The adaption according to the light is known as a light adaptation which takes place due to a large part of photochemical in both rods and cones which is reduced to retinal and opsins.

4. when the light reaction takes place retinal converted to opsin

7 0
2 years ago
Which of Mendel's laws or principles states that gametes carry one allele for each trait?
vagabundo [1.1K]

Answer:

hope it helped

Explanation:

Each unit of inheritance can have alternate states (alleles) that segregate at meiosis, with each gamete receiving only one allele (the principle of segregation, Mendel's first law); different alleles assort independently in the gametes (the principle of independent assortment, Mendel's second law).

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2 years ago
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Which of the following could qualify as a top-down control on a grassland community? A) limitation of plant biomass by rainfall
soldier1979 [14.2K]

According to the top down control, each trophic level is controlled by the very next trophic level. It says that predators control the population of prey.

Therefor the correct answer is D

I really hope this answer helps you out! It makes my day helping people like you and giving back to the community that has helped me through school! If you could do me a favor, if this helped you and this is the very best answer and you understand that all of my answers are legit and top notch. Please mark as brainliest! Thanks and have a awesome day!

3 0
2 years ago
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