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belka [17]
3 years ago
7

Incandescent bodies contain vibrating partic;les, which radiate electromagnetic waves

Biology
1 answer:
sineoko [7]3 years ago
3 0
From a hot body as a result of its temperature
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Which of the following statements about magnesium atoms is NOT correct? 1. All magnesium atoms have the same number of protons.
Fantom [35]

Answer:

5. All magnesium atoms have the same number of neutrons

Explanation:

Magnesium (Mg) is a chemical element. Its atomic number (Z) is 12 (number of protons in the nucleus of the Mg atom).

The Magnesium has three stable isotopes: 24Mg, 25Mg and 26Mg. All these isoforms have 12 protons in their atoms (same atomic number), however they  vary in the mass number of the atom (M).

The mass number of the atom (M) is equal to the sum of protons and neutrons in the nucleus.

Based on this information we can know how many neutrons each isotope has

24 Mg = 12 protones + 12 neutrons

25Mg = 12 protones + 13 neutrons

26Mg = 12 protones + 14 neutrons

In this way we conclude that <u>not all magnesium atoms have the same number of neutrons</u>

5 0
3 years ago
or each of the following genetic topics, indicate whether it focuses on transmission genetics, molecular genetics, genomics or p
Bad White [126]

Answer:

A. transmission genetics

B. population genetics

C. molecular genetics

D. genomics

E. molecular genetics

Explanation:

Transmission genetics can be defined as the study of the mechanisms involved in the inheritance of genetic material by offspring from parents. This discipline started with the discovery of inherited characteristics in pea plants by Mendel (1865).

Population genetics is a subdiscipline of genetics that studies genetic variation within and between populations. Population genetics is an area that explains how allele and genotypic frequencies change across time, thereby this subdiscipline is closely linked to evolutionary biology.

Genomics is a broad area of genetics that studies the function, evolution, structure, function, mapping and comparison of genomes (i.e., the whole genetic material contained in each cell of a given organism). This discipline aims at understanding entire gene pools. Genomics includes different research areas including structural genomics, functional genomics, epigenomics and metagenomics.

Molecular genetics is a sub-discipline of genetics that studies the mechanisms involved in preserving the genetic material (i.e., DNA and RNA), and to understand how the structure and expression of the genetic material influence the observed variation among organisms.

6 0
4 years ago
Ill give a brainelest
Dafna1 [17]

Answer:

bt corn, bt cotton

Explanation:

i think lol, nah but fr

4 0
3 years ago
Athletes train daily to maximize energy production. If an athlete can
natita [175]
Yes this is correct well done
8 0
3 years ago
Discuss some of the possible side effects that occur when the pyramid becomes blocked.
faltersainse [42]

The imbalance in energy would cause warming up of the planet and variety in fauna would be limited.

Explanation:

in an energy pyramid large amount of the energy gets dissipated only 10% of the energy is transferred to other level. Trophic level tells the placement of organism in a energy pyramid.

If at any time the pyramid gets blocked:

The passing of biomass and energy gets break to each level.

The organism at the higher level will be scarce of resources as nutrition and energy for growth, multiplication and metabolism.

The organisms at the higher level will get die eventually and vanish from the earth as no reproduction.

The energy dissipated will be in large amount disturbing the ecological chain.

The imbalance in energy would cause warming up of the planet and variety in fauna would be limited.

7 0
3 years ago
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