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Natalka [10]
3 years ago
13

Brass gets discoloured in air because of the presence of which of the following gases in air?

Biology
1 answer:
leonid [27]3 years ago
4 0
B. Hydrogen sulphide
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Need help, will mark brainliest! plsss.
yaroslaw [1]

Hello, I Am BrotherEye

Answer: Physiological mechanisms explain any health-related events or outcomes. Physiological mechanisms can be altered voluntarily. For example, exercise causes alteration in the cardiac physiology of resting state. ... Multiple physiological mechanisms are responsible for survival of an individual.

Explanation:

It Is Simple Find The Answer Choice That Is The Opposite Of The One Above

3 0
2 years ago
Read 2 more answers
1. Why is the water molecule so important to organisms?
Oksana_A [137]

Answer:

the waters acts as a solvent for chemical reactions and also helps transport dissolved compounds in and out of cells.

6 0
3 years ago
Which examples from the list below are considered Biotic factors?
ddd [48]
Biotic factors may include things like:
-predation
-disease
<span>-competition
</span>-parasitism
<span>-consumption
and -symbiosis

Hope this helps then!! :)
</span>
5 0
3 years ago
Gray seed color in peas is dominant to white. Assume that Mendel conducted a series of experiments where plants with gray seeds
bazaltina [42]

Answer:

(a) Gg × Gg; (b) genotypic = 1:2:1, phenotypic = 3:1

Explanation:

a) A cross between two gray seeded plants produces progeny with gray and white seeds in 3:1 ratio (302:98=3:1). This means that the parent plants are heterozygous and each has at least one recessive allele. If the allele "G" is responsible for gray seed and the allele "g" imparts white color to the seeds, the genotype of the heterozygous parents would be "Gg".  

b) A cross between two heterozygous gray seeded parents would produce progeny in following ratio:

Genotype ratio= 1 GG: 2 Gg: 1 gg

Phenotype ratio= 3 Gray: 1 white

4 0
3 years ago
From the big bang theory, after cooling the debris, allowed the formation of the following
galben [10]

Debris (Hydrogen and helium) from the big bang gravitationally clumped together, and frequently these clumps got big enough to start fusion in their centers and form stars.

What is big bang theory?

The Big Bang theory explains how the cosmos expanded from a highly dense and hot starting condition. The evolution of the observable cosmos from the earliest known times up to its later large-scale shape is explained by this prevalent cosmological model. A wide range of observable phenomena, such as the quantity of light elements, the cosmic microwave background (CMB) radiation, and large-scale structure, are all thoroughly explained by the model.

Eventually, the large gaseous balls fuse hydrogen into heavier elements, which causes them to become stars. The periodic table's iron is created when stars combine light elements to create heavier ones.

The remaining elements of the periodic table are created as a result of the stars exploding, producing white dwarfs that explode, or forming neutron stars that collide and explode. The remaining hydrogen gas is now "contaminated" by this other material, and some of it forms an accretion disk in which planets form when it compresses under gravity.

To know more about stars, go to URL

brainly.com/question/10865002

4 0
1 year ago
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