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arsen [322]
2 years ago
14

Which substances are acids? Check all that apply.

Biology
2 answers:
blsea [12.9K]2 years ago
6 0

Answer:

(1),(2),(5),(6)

Explanation:

love history [14]2 years ago
3 0

Answer:

Numbers 5, and I think 2 the rest are bases

Explanation: * Remember H+ is acids and OH- is base :)

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For each of the following statements, indicate
stepan [7]

The plants that were allowed to self pollinate were the F1 plants.

The plants that are true breeding are P generation plants.

The plants where there were 3times as many tall plants as short plants are in F2 generation.

<h3><u>Explanation:</u></h3>

This question is based on the Mendel’s Experiment. Sir Gregor Johann Mendel was the father of genetics who experimented on garden pea plants <em>Pisum</em> <em>sativum</em> to see whether the characters got mixed or not and to know the real cause behind different traits of same character in plants.

He took the pure homozygous tall and short plants separately which he called as parental generation or P generation. These plants were homozygous, hence pure breeding.

As these plants were crossed between themselves, then the F1 generation showed all tall plants. This is because of the heterozygous plants which showed character of dominant trait. These plants were allowed to self pollinate.

As a result of self pollination of the F1 plants, the F2 plants were 75% tall in number whereas the other 25% short, which gave the phenotypic ratio of 3:1.

4 0
3 years ago
Read 2 more answers
Describe the relationship between the wavelength and frequency of electromagnetic waves
larisa [96]

Answer:

Frequency is inversely proportional to wavelength.

Explanation:

frequency is the number of oscillations in a unit of time.

Wavelength is the length between one oscillation and the next oscillation.

take two springs and 4 pins. (springs should have loops or hooks at terminals to attach to pins.)

Now get two pins and pin them at a certain distance apart.

take the first spring and attach its two terminals to the pins.

Repeat the above procedure, but double (increase the distance x2) the distance between two pins.

Now you have to measure how many coils are there within 5cm of the two springs.

you'll observe that the second spring has half the coils of the first spring within 5cm.

In here no. of coils is the frequency

5cm length is time.

distance between coil is the wavelength.

7 0
2 years ago
Taxonomy seeks to _____.
Annette [7]
Taxonomy seeks to organize all living things in a logical manner.
6 0
2 years ago
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What is the single greatest threat to biodiversity?
Anni [7]

Answer:

Habitat loss

Explanation:

Habitat loss is the single greatest threat to biodiversity on Earth today and in fact it is the second largest threat to our existence on this planet next to Climate Change.

5 0
2 years ago
The divergence of three fruit fly species is shown here. A scientist has multiple lines of evidence for these fruit flies. Asses
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Answer:

The answer is the fruit fly groups do not successfully reproduce to make viable offspring.

Explanation:

Usatestprep

4 0
3 years ago
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