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loris [4]
2 years ago
8

Explain the change of color that often occurs in leaves in the autumn in simple terms.

Biology
1 answer:
Phantasy [73]2 years ago
8 0

Answer:

In autumn when it starts to get cold, some plants stop making chlorophyll. Instead, those plants break down chlorophyll into smaller molecules. As chlorophyll goes away, other pigments start to show their colors. This is why leaves turn yellow or red in fall.

Explanation:

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At what depth(km) would a rock experience temperature of 5500C?
kow [346]

Explanation:

A rock would experience a temperature of 5500°C is about the core which is at a depth of 220km.

But let us use the earth's geothermal gradient to solve this problem.

The geothermal gradient is the rate at which temperature is increasing with depth.

The geothermal gradient 25°C/km

        At 5500°C,

               5500°C x  \frac{1}{25}  \frac{k}{C}  =    220km

But this is not so in nature, there are other heat sources that contributes to increasing temperature with depth such as radioactive heat and frictional heat.

learn more:

Mantle brainly.com/question/10758534

#learnwithBrainly

7 0
2 years ago
commensalism is when one organism ________ and the other is ___________. a.benefits; harmed b. benefits; unaffected c. benefits;
lara [203]
Commensalism is when one organism B. Benefits and the other is unaffected.
6 0
3 years ago
Which of the following statements is FALSE?
Naya [18.7K]

Answer: d. None of the above is false.

Explanation: The reasons are:

Intermolecular forces should be reduced when molecules need to be vaporized, otherwise they will not be converted into vapours.

When the temperature increases, forces of attraction decreases which allows molecules to evaporate because energy will be increased which allows molecule to break bonding between them. Hence increasing temperature has effect on vaporization.

Dispersion forces is the weakest force between molecules and hydrogen bond is strong so molecule having only dispersion force will evaporate at the higher rate.

8 0
2 years ago
If the climate is the long-term average of weather, how can climate change?
miskamm [114]
Severe weather conditions include hurricanes, tornadoes, blizzards, and droughts. Climate is the long-term average of the weather in a given place. While the weather can change in minutes or hours, a change in climate is something that develops over longer periods of decades to centuries.
8 0
2 years ago
How many dependent variables can be tested during any single experiment?
Vesna [10]
As many as there are needed. you just can't have many independent variables
6 0
2 years ago
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