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Serga [27]
3 years ago
11

Which of the following is an IGNEOUS rock found in Pennsylvania? A. marble B. quartzite C. granite D. limestone

Biology
1 answer:
Sergeu [11.5K]3 years ago
4 0
To awnser your question, I would say C.
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What is eagle habitat.
LuckyWell [14K]

Answer:

the eagle habitat is estuaries, large lakes, reservoirs, rivers, and some seacoasts, but in the winter the eagle congregate near open water in tall trees for spotting prey.

Explanation:

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5 0
2 years ago
In the experiment determining the parental genotype of plant seedlings from a monohybrid cross, if the dominant color was green
eimsori [14]

Answer:

cc × cc

Explanation:

This question involves a single gene coding for plant seedling. The green allele (C) is dominant over the white allele (c). This means that the green allele will mask the phenotypic expression of the white allele in a heterozygous state (Cc).

In this experiment where plate 1 only contained white seedlings instead of all green, this illustrates that all the offsprings were recessive. This is because the parental genotypes were both recessive for the color trait i.e. cc.

Note that, the recessive trait can only be expressed when the recessive alleles are present in a gene. Therefore, the parental genotype would have been cc × cc, in order to give rise to all offsprings with the recessive trait (white colour).

7 0
3 years ago
The small size of cells
puteri [66]

Answer:

A

Explanation:

this is because, in smaller organism their SA/V ratio is large hence they have efficient transport of materials within their cells

5 0
3 years ago
Why are pigments such as chlorophyll needed for photosynthesis
Vlad [161]

Answer:

The chlorophyll pigment have photosystem 680/ PS I which captures the sunlight. Then the pigments gets excited and photosynthesis starts. Without chlorophyll photosynthesis can't happen.

Explanation:

Photosynthesis occurs in the chlorophyll pigment of the plant. They have the capacity to trap light energy and convert its energy to form glucose and oxygen.  

The chlorophyll is a double layer membrane structure. In it two photosystems works i.e. photosystem I and photosystem II. In the photosystem I light is trapped.  

In the chlorophyll thylakoids are present which have photosystem 680. It captures the photons coming from the sun. The photons are the light of different wavelengths which are absorbed by plants.  

The photon have more energy, and when it comes in contact with PS 680, the pigments get excited. Then they release high energy electrons which helps to form ATP, NADPH. Because it is a light dependent reaction.

Glucose and oxygen are formed in the stroma as it does not require light. It is a light independent reaction.

Therefore, chlorophyll is first require to capture photons coming from sun.

6 0
3 years ago
Which objective lens should you start with when looking at a specimen?
MAXImum [283]
The highest power objective because you will see the specimen perfectly
6 0
3 years ago
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