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Rufina [12.5K]
3 years ago
11

How does an ionosphere form

Biology
1 answer:
Paraphin [41]3 years ago
8 0
I think it forms in the atmosphere due to solar radiation or energy correct me if i’m wrong
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Which of these actions is a sustainable agricultural practice
nexus9112 [7]

Answer:

A. Cultivating crops that require less water

Explanation:

A sustainable agriculture practice is one that reduced the impact of that human activity on the environment.

A. Cultivating crops that require less water is certainly one sustainable practice because it respects the environment.

B, C and D answers are NOT sustainable practices and put in danger the reserves of water people will need to drink.  On top of that, B and C would generate pollution for the transport.

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3 years ago
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The ribs articulate with the __________ vertebrae.
stepladder [879]

The ribs articulate with the (a) thoracic vertebrae.

There exists 12 pairs of ribs. Each rib is a thin flat bone attached dorsally to the vertebral column as well as ventrally to the sternum.

First seven pairs of ribs are known as 'true ribs'. They articulate with the thoracic vertebrae dorsally and are ventrally attached to the sternum by means of of hyaline cartilage.

The 8th, 9th as well as 10th pairs of ribs do not articulate directly with the sternum but unite with the 7th rib with the support of hyaline cartilage. These are called 'false ribs'.

Remaining two pairs i.e. the 11th and 12th pairs of ribs are not attached ventrally and are thus, termed as 'floating ribs'.

To learn more about thoracic vertebrae here

brainly.com/question/5130476

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4 0
2 years ago
Ignoring the effects of predators and disease, what will happen to this population of rats between fall and the next spring?
sdas [7]
The population will increase causing an overpopulation of rats.

7 0
3 years ago
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A scientist observes some cells under a compound microscope and needs to determine if they are bacteria or yeast. Aside from siz
djyliett [7]

Answer:

chitin and murein

Explanation:

The chemical compounds that distinguish bacteria cell from yeast cell are  

chitin and murein

Chitin is a polysaccharide present in the exoskeleton of fungi made up of chains of modified glucose known as N-acetylglucosamine. N-acetylglucosamine is derived from glucose

While murein is a mesh like structure made up of sugar and amino acids. Murein forms a layer outside the plasma membrane of bacterial cell.  

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Which substances have two neutrons? Select all that apply.
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Hydrogen isotopes deuterium and tritium
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3 years ago
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