1. The speed of sound through a gas will increase if the following is also increased:

1 answer:

5 0

<span>1. The speed of sound in gas is directly proportional to sqrt of Temperature. Hence The speed of sound through a gas will increase if the temperature of the gas is increased. 2. When white light passes through rain drops, it breaks into different colors due to refraction. Hence A rainbow is formed because when white light passes through raindrops, the white light is refracted by the raindrops</span>

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Blockage of the _____ can reduce blood supply to the brain, causing a stroke.

galben [10]

<span>Blockage of the Cerebral Artery can reduce blood supply to the brain, causing a stroke (Ishcemic Stroke) Blood is carried to the brain by two pair of arteries, i) The Internal Carotid arteries, ii) The Vertebral arteries. Stroke is a neurovascular condition affecting blood vessels in the brain. There are two types of Stroke i) Ischemic Stroke ii) Hemorrhagic Stroke. In Ischemic stroke occlusion of a cerebral artery causes the damage to brain tissue dependent on blood supply from the affected vessel</span>

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3 years ago

Species a diverged from species b 60,000 years ago. On a particular gene, they have 15 nucleotide differences. How many nucleoti

a_sh-v [17]

The given question says that b species diverged around 60,000 year ago from species a. Since the divergence, they have a nucleotide difference of 15 nucleotide.

We need to find out the nucleotide difference in another 240,000 year, which means a total of 300,000 year since divergence.

The nucleotide difference in 60,000 years = 15 nucleotide.

The nucleotide difference in 1 year = $\frac{15}{60,000}$ nucleotide.

The nucleotide difference in 300,000 years = $\frac{15}{60,000}\times 300,000$ nucleotide.

The nucleotide difference in 300,000 years = 75 nucleotide.

Hence, after another 240,000 years or 300,000 years since divergence, the species and species b would show a difference of 75 nucleotide.

In another 240,000 years, there would be 60 nucleotide difference, as 15 of the nucleotide are already different in initial 60,000 years from the total of 75 nucleotide difference in 300,000 years. So, 60 (75-15) nucleotide difference would be observed in next 240,000 years.

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3 years ago

After the ovules are fertilized what happens to the ovary

3241004551 [841]

Answer:ovary develops into fruits

Explanation: fertilization occur after the fusion of a haploid male and female gametes to give a diploid zygote. The male sperm fuses with the female egg in the ovule to give an embryo. For angiosperms the male sex cell is located in the pollen in the anther which is carried to the stigma where the female sex cell is located either of the same plant or different plant. For gymnosperms the male pollen is found in the cone from where it is then transfer to the female cone. The ovule developed into the seeds after fertilization and the ovary develops into fruits.

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3 years ago

select all of the following statements that are true concerning living organisms and how they acquire energy.

Bad White [126]

The statements that are true concerning living organisms and how they acquire energy are;

Cells, the basic unit of life, cannot survive on their own. Instead, all living organisms must obtain and use energy to live.

The daily food consumption of an organism provides the energy to support all the metabolic processes required for the organism to live.

What are Living organisms?

Living organisms can be regarded as organisms that possess characteristics such as the ability to move and reproduce.

However, they acquire useful energy in different ways, and the daily food consumption of an organism provides the energy to support all the metabolic processes.

Learn more about Living organisms at:

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2 years ago

1.) What organism is essential for the nitrogen cycle to continue?

yaroslaw [1]

im not even sure tbh these are really hard im so sorry

8 0

3 years ago