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Rina8888 [55]
3 years ago
8

Gas giants have atmospheres composed primarily of hydrogen and

Biology
2 answers:
tangare [24]3 years ago
7 0
Hydrogen and Helium


Hope this helped:)


Brainliest?
sattari [20]3 years ago
4 0

Answer:

Gas giants have atmospheres composed primarily of hydrogen and helium.

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If glossopteris fossils were found in Antarctica what was the climate of this continent before
Setler [38]

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Tropical Climate

Explanation:

If glossopteris fossils were found in Antarctica, the climate of this continent before was a Tropical Climate.

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Plz help I’ll make you brainliest if correct
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it would be C, since an abiotic factor is a non-living thing that helps shape the ecosystem.

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If you look at A it lists flowers, which are alive. If you look at B it lists bacteria, which is alive. C doesn't list anything thats alive. D lists insects, which are alive.

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One dog pulls on a chew toy to the right with 10 N of force while another dog pulls to the
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2 years ago
In which way are photosynthesis and cellular respiration different?
makvit [3.9K]

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Hope this helps :)

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3 years ago
A pair of mice are bred several times generating the following data table. What are the most likely genotypes of the parents?
Tamiku [17]

Answer:

This question lacks options, the options are:

A) FF and ff

B) FF and Ff

C) Ff and Ff

D) Ff and ff

The answer is D (Ff and ff for parent 1 and 2 respectively)

Explanation:

This question depicts a single gene coding for fur colour in mice. The gene controls two traits, black fur and white fur, encoded by alleles F and f respectively.

According to the question, a pair of mice has been bred several times to generate the same data of 22 black fur and 23 white fur mice. Based on this data, it shows that the phenotypic ratio of black to white mice is 1:1.

To get a 1:1 phenotypic ratio of black fur offspring to white fur offspring, the parents mice must have genotypes Ff (heterozygous) and ff (same recessive alleles).

In a cross between parents Ff × ff (see punnet square), offsprings with the following genotypes will be produced: Ff, Ff, ff and ff. Ff is black furred while ff is white furred.

Ff (2) : ff (2) is equivalent to Ff (1) : ff (1).

Hence, a data of 22 black mice and 23 white mice which represents a 1:1 ratio will only be produced by parents mice with genotypes: Ff and ff.

3 0
3 years ago
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