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Wewaii [24]
3 years ago
6

Unemployment resulting from hurricane katrina ______ the risk of cardiovascular illness.

Biology
1 answer:
Olenka [21]3 years ago
6 0
The fill in the blank answer is increased
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Symbiotic relationship between Plasmodium and human host
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Plasmodium is an apicomplexan (previously called sporozoans) that cause malaria in humans. an apicomplexan is a protest that disseminates small infectious cells called sporozoites. and has organelles that are specialised for penetrating host cells and tissues. which are called apical complexes
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3 years ago
Plz help!!! will mark brainliest if correct and give a thanks
Mashutka [201]

Answer: warm water.

Explanation:

6 0
3 years ago
Wind erosion and deposition may form?
Andrei [34K]

Answer: C. sand dunes and loess deposits

Explanation:

Wind erosion is when wind forcefully moves sand particles from one place to another. This can end up forming sand dunes which comes in different shapes.

Also, loess are gotten from silt and clay that are blower by wind and deposited on a large area lawyer of land. Therefore, wind erosion and deposition may form dunes and loess deposits.

6 0
2 years ago
Construct a three-step synthesis of trans-2-pentene from acetylene by dragging the appropriate formulas into the bins. Note that
lozanna [386]

Answer:

A. Production of higher order terminal alkyne on reaction with sodium acetylides with haloalkane.

B. It includes the further alkylation of terminal alkynes to higher order nonterminal alkynes and

C. The production of trans-pent-2-ene by the use of the dissolving reduction method.

Explanation:

Concepts and reason

The basic idea of this case study is on the conversion of an alkyne to an alkene. Alkynes are unsaturated and can go through addition reactions. The essential chemical processes of alkynes involves the electrophilic addition reactions, nucleophilic addition reactions , reactions as a result of acetylenic hydrogen, polymerisation, isomerization and oxidation reactions.

Fundamentals

The conversion of an alkyne to alkene involves two basic processes which as to do with the production of higher alkynes from lower alkynes with the next phase involving the dissolved metal reduction of the higher order alkyne so as to form an alkene.

Conversion of acetylene (ethyne) to one higher order alkyne as shown in the first attached image.

Terminal alkynes combine with sodamide to produce acetylides that reacts with the haloalkanes (In this case, we using methyl bromide) to form higher order alkynes.

The reaction is as well represented in the second attached image.

Alkylation of terminal alkyne leads to the production of higher nonterminal alkyne (which is propyne) that is converted to higher order nonterminal Pent-2-yne.

The reaction is shown in the third attached image.

The entire or total hydrogenation of alkynes produces a corresponding alkane by passing hydrogen in the presence of metal catalysts. Partial hydrogenation of alkynes could lead to the development of cis- or trans- alkenes which is reliant on the reagent employed.

The right reagents and products in the total reaction is duly represented in the fourth attached image.

The Synthesis of trans-pent-2-yne from ethyne involves basically a three-step synthesis which includes

A. Production of higher order terminal alkyne on reaction with sodium acetylides with haloalkane.

B. It includes the further alkylation of terminal alkynes to higher order nonterminal alkynes and

C. The production of trans-pent-2-ene by the use of the dissolving reduction method.

• The last attached image has the answers being put in the adequate bin.

5 0
3 years ago
According to the computer model mode bye gilbert and kittel what will happen if world warm by 4'c
Gennadij [26K]

Answer:

The correct answer is - ice shelves will have at risk of collapse.

Explanation:

Ella Gilbert and Christoph Kittel at the University of Reading, UK, and the University of Liege, Belgium, respectively made a computer model for the effect on ice shelves by climate change.

They found that if the world warms by 4°C, the continent’s ice shelves, approximately 34% will have melted water on their surface, which is known as hydrofracturing and a sign that these ice shelves are at risk of collapse.

3 0
2 years ago
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