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pshichka [43]
3 years ago
10

1. Why does the immune system make memory cells?

Biology
1 answer:
Anvisha [2.4K]3 years ago
3 0

Answer:

The reason the immune system makes memory cells is to help the body recognize a sickness they have experienced before and react to it.

Explanation:

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What part of the human ear contains the eardrum? A. The middle ear B. The lower ear C. The outer ear D. The inner ear
Juli2301 [7.4K]

Answer:

A. The middle ear

Explanation:

In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear.

6 0
3 years ago
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A gene is best defined as A) any random segment of DNA. B) three nucleotides that code for an amino acid. C) a sequence of nucle
stiks02 [169]

Answer:

C) a sequence of nucleotides in DNA that codes for a functional product.

Explanation:

Gene -

Gene is a fixed portion present in the chromosome of the cell , which is inbuilt with the hereditary information of the cell .

Genes directs the synthesis of the proteins .

It is basically a sequence of nucleotides present in the DNA .

Hence , from the given options the correct statement for gene is ( c ) .

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3 years ago
Explain how human activities can intensify, or even cause a landslide
lara [203]

The human activities directly or indirectly affect the nature. The deforestation and the removal of the vegetation  for the purpose of development or timber, the land is exposed to the dangers of the landslide. The tress, plants and other vegetation keeps the soil in place with the help of their roots. The soil erosion is prevented by the trees, but the cutting down of them by the humans increases erosion and hence, the risk of landslide.

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3 years ago
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Examine the following list of question
Zanzabum
1. Kids are afraid of ghost because ghosts are sometimes scary when you know that they can go through walls and go through you and anything. Kids sometimes watch movies about ghosts and get scared thunking that a ghost will haunt them. 2. I think feeding raccoons when they are at trash cans is the best idea because if it is at trash cans that means it has already its food and you shouldnt disturb it and give it more food because it will just be going to waste. Wild animals dont always eat food when you give it food. Wild animals are born knowing that to eat they eat out of trash cans so they already have their survival skills so dont bother them. 3. I dont really understand this one but i think that mouse color affects its survival because it is probably easy to spot so mouses probably get found alot by predetors. 4. I am pretty sure that mother ducks care for their babies because they teach them how to swim and the mother ducks feed its babies and they are always swimming in lines or groups until the baby ducks are grown up and old enough to go on their own. Basically, the mother ducks help its babies until it is old enough to go out on its own. Hope this helped! :)
7 0
3 years ago
What is the difference between weathering and erosion? (Site 1).
olchik [2.2K]

Answer:

Weathering and erosion are natural geological processes that act like rocks and soil on the earth's surface, moving and reshaping the earth. Weathering is the breaking down of rocks into smaller pieces by changing the size and structure of the rocks. The forces of nature are largely responsible for this process. Erosion involves processes such as wind, water flow, and ice movement, which results in change from one place to another.

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