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castortr0y [4]
3 years ago
5

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

Biology
1 answer:
Mice21 [21]3 years ago
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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A botanist scrapes pollen off a flower of one plant and then uses it to pollinate the flower of another plant. What can be scien
Ray Of Light [21]

Answer:

<em>They will have a large number of genetic variations.</em>

Explanation:

Genetic variations arise due to sexual reproduction or due to the process of meiosis.  

Cross-pollination can be described as a process in which the pollen of one flower is transferred to another flower. The pollen when fertilizes the egg in the stigma, will produce offspring with varied genetic characteristics. This will be because the pollen would carry the trait of another flower and the egg of another flower. This will lead to many genetic variations.

6 0
2 years ago
The table below describes geological events.
Marat540 [252]

Answer:

C.

Event A represents volcanic eruption and Event B represents creation of mountain ranges.

Sorry if it's wrong :(

3 0
2 years ago
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What are a variety of instruments needed to measure change in the climate system
elena-s [515]

Climate change cannot be measured with a single instruments but require thousands of measuring devices that spread across the globe, land and under the sea. Thus,parameters measured in climate change includes: Rainfall, Sunshine hours, Temperature, Relative humidity, Atmospheric pressure, Wind speed . 

However, there are various instruments used for the measuring of climate change and they can be classified as follows: weather balloons and buoys, thermometers, wind anemometers, Manual rain gauges, transmitting rainfall gauges and Automatic Weather Stations

4 0
3 years ago
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Is the sun is the ultimate source for energy on the Earth?
lana66690 [7]

Answer: The given statement is true.

Sun is the ultimate source for energy on the Earth. It is the natural and renewable source of energy on earth as it can easily be renewed and never run off. All living organisms which are present on earth are dependent on food for survival. For this, they become part of the food chain which provides them energy in the form of food. Food chain begins with plants as they are the primary producers in the food chain. They get energy for preparing food from sunlight in the form of light energy.

Moreover, the life forms which existed millions of years ago were dependent on sun for energy. The dead remains of these life forms have provided the non renewable sources of energy like fossil fuels on earth.

Thus, the sun is considered as the ultimate source of energy on the Earth.

4 0
3 years ago
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Differentiate between roughage and concentrate
AleksandrR [38]
<em><u>concentrates:</u></em><em>
concentrates are high in protein and low in fibre.....
<u>roughage :</u>
roughage is high in fibre...</em>
5 0
3 years ago
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