White light is a blending of all the colors of visible light.True or False

Answers

Answer 1

Answer: I believe this is true, since if you use a prism, it becomes a rainbow of light and making the colors of the light visible to the human eye that way.

Answer 2

Answer: true...................................

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What causes a nebula to collapse?

Answers

Irregularities in the density of the gas causes a net gravitational force that pulls the gas molecules closer together. Some astronomers think that a gravitational or magnetic disturbance causes the nebula to collapse. As the gases collect, they lose potential energy, which results in an increase in temperature.

As the collapse continues, the temperature increases. The collapsing cloud separates into many smaller clouds, each of which may eventually become a star. The core of the cloud collapses faster than the outer parts, and the cloud begins to rotate faster and faster to conserve angular momentum. When the core reaches a temperature of about 2,000 degrees Kelvin, the molecules of hydrogen gas break apart into hydrogen atoms. Eventually the core reaches a temperature of 10,000 degrees Kelvin, and it begins to look like a star when fusion reactions begin. When it has collapsed to about 30 times the size of our sun, it becomes a protostar.

When the pressure and temperature in the core become great enough to sustain nuclear fusion, the outward pressure acts against the gravitational force. At this stage the core is about the size of our sun. The remaining dust envelope surrounding the star heats up and glows brightly in the infrared part of the spectrum. At this point the visible light from the new star cannot penetrate the envelope. Eventually, radiation pressure from the star blows away the envelope and the new star begins its evolution. The properties and lifetime of the new star depend on the amount of gas that remains trapped. A star like our sun has a lifetime of about 10 billion years and is just middle-aged, with another five billion years or so left.

Hope i helped! :D

Explain why inflammation cannot occur in an ameba or in a dead body. Does inflammation have beneficial or noxious effects on the human body?

Answers

Answer:

Inflammation occurs only in live tissues and multicellular organisms

Explanation:

Inflammation is a response to foreign antigen by the bodies immune system. Where chemicals from the white blood cells are released to the blood or affected tissue.

It cannot occur in dead bodies because the cells are dead too.

Amoeba is a single celled organism that cannot posses the complex components of the immune system.

Inflammation helps eliminate the initial cause and initiates tissue repair

Due to increase of blood flow to the affected region, it may cause redness and pain.

Is change is DNA hereditary mutation , both , or somatic mutation ?

Answers

The answer would be both. DNA changes can come from hereditary genes or somatic changes from Carcinogens for example

When you are eating a celery stick you are eating the ____ tissues of a plant

Answers

The word that would fit the blank is vascular. You are consuming the vascular tissues of a plant when consuming a celery stick. This part of the celery is called the petiole. This is the stalk that joins a leaf and a stem. This part is made up largely of vascular tissues.

Answer:

The answer is ground on Odyssey ware

Explanation:

Which cell structure is correctly paired with its primary function? 1. ribosome–protein synthesis 2. mitochondrion–movement 3. vacuole–cell division 4. nucleus–storage of nutrients

Answers

Answer:

1. Ribosome–protein synthesis

Explanation:

Ribosomes are structures that are floating in cytoplasm and can be found attached to the endoplasmic reticulum. Ribosomes are also called as the protein factory of the cell because their foremost function is the protien synthesis. Proteins are required by the cell for basic cellular functions, cell division and damage repair etc.

1.ribosome why is beacuse the ribiosomes make the proteins for the cells

Choose the smallest of the following units:Group of answer choices
Mm
cm
m
kM

Answers

The smallest unit among the options is mm(Millimeters). Thus, option a) is the answer.

The smallest unit among the options is "a) mm," which stands for millimeter. It's a metric unit of length that is one-thousandth of a meter (1/1000). Millimeters are commonly used for precise measurements, especially in fields like engineering, science, and manufacturing, where accuracy is crucial.

Centimeters (cm) are larger than millimeters, with one centimeter being equal to 10 millimeters. Meters (m) are even larger, being the base unit of length in the metric system. Kilometers (km) are the largest unit among the options, equivalent to 1000 meters.

In summary, when comparing the given options, millimeters are the smallest unit of length, followed by centimeters, meters, and then kilometers, with each subsequent unit being larger by factors of 10.

The correct option is : a) mm.

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Answer:

The the smallest unit among the options provided is mm (millimetre).

Explanation:

mm (millimetre) is a metric unit of length equal to one-thousandth (1/1000) of a metre.

cm (centimetre) is equal to one-hundredth(1/100) of a metre. It is a subunit of length is the SI Sytem. It is used to measure small lengths.

m (metre) is the distance that light travels in vaccum in 1/299792458 seconds. It is the fundamental building block in metric system and is universally accepted.

km (kilometre) is equal to 1000 metres. It is commonly used to measure longer distances.

To know more about metre units,

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