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Zielflug [23.3K]
3 years ago
5

The lowermost portion of the atmosphere where most weather occurs is called the ________.

Biology
1 answer:
vesna_86 [32]3 years ago
7 0
Troposphere is the answer
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Area measuring 5 m² contains 50 earthworms what is the population density of the earth worms
Darina [25.2K]

The density of a population of living organisms is usually measured in individuals on one square km. In here we have 50 earthworms on an area of 5 square meters, thus we have 10 earthworms on every square meter. In order to get to the result we need to see first how many square meters there are in one square km. One square km has one thousand meters of length and one thousand meters of width so:

1,000 x 1,000 = 1,000,000 km²

Since we established that we have 10 earthworms on every one square meter, we just need to multiply the number of square meters with the amount of earthworms on every square meter:

1,000,000 x 10 = 10,000,000

So we have a density of 10 million earthworms per square km.

7 0
3 years ago
Why is sexual reproduction more advantageous than cloning
ahrayia [7]
Its more natural and doesn't have side effects

7 0
3 years ago
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How to explain natural selection?
loris [4]
Natural selection is basically when organisms with the best traits survive and pass on their good traits to their offspring so that they will adapt easily and survive. Organisms who do not have ‘good traits’ that help them adapt and escape predators will be killed or eaten before they reproduce.
So in the end, natural selection is a form of evolution that allows the ‘fittest’ animals to survive and reproduce, while weeding out the unfit.
8 0
3 years ago
Which of the following statements best describes a neutron's charge?
katrin [286]

A neutron has no charge

<em>NEUT</em>RAL = NONE

well thats how I remember it anyway

SO ITS NUMBER 2

3 0
3 years ago
As the human population continues to grow, humans cut down trees to build homes, shopping malls, and roads. Which part of the wa
Elan Coil [88]

Answer:Transpiration

Explanation: water cycle is the continuous movement of water on the Earth to ensure the availability of water.water is a universal solvent that is essential for the survival of living things.water cycle ensure that clean water is available.plants require water which is gotten from the soil.water is lost from the leaves of trees through transpiration.transpiration may also occur through the lenticels and stomata of stems.

the movement of water through the plant is called transpiration pull.this is responsible for the pull of water into the leaves.it increases the absorption of minerals from the soil and also cools the plant.

This water vapour that transpire from the plant,is condense as clouds, which then falls to the Earth as rain and the water cycle continue

3 0
3 years ago
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