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Vesnalui [34]
3 years ago
11

Which of these was the world’s first artificial satellite?

Biology
2 answers:
WINSTONCH [101]3 years ago
8 0

Answer:

B

Explanation:

makkiz [27]3 years ago
5 0
Answer: B Sputnik
Explanation: I hope this helps you
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Chemical processes that involve one or more chemical reactions keep living things alive. Which of these types of chemical reacti
zimovet [89]

Answer: Oxidation

Explanation:

Because when oxidation occurs it is basically telling you that the atoms are being changed into a different state hope this helped!

7 0
3 years ago
Malaria was once prevalent in Europe and the USA in the early 1900s but was successful eliminated from these areas. However, mal
Leokris [45]

Answer:

Yes it is correct to say.

Explanation:

The disease in the question, malaria, is an infectious disease what is mosquito borne and its symptoms start from fever, headaches and goes up until death.

There is no direct correlation between poverty and the disease but there is an indirect one. Since these poor countries in Asia, Africa and South America are dealing with poverty, this causes the invertentions for the spreading of the disease, the general knowledge of the public, the healthcare and the treatment of the disease to be low and therefore malaria is still provalent in these parts of the world.

I hope this answer helps.

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3 years ago
Which of the following is a conceptual model that represents the flow of energy through an ecosystem
Evgen [1.6K]

Answer:

the food web

Explanation: A food web is a conceptual model that represents the flow of energy through an ecosystem.

8 0
3 years ago
Organisms may contain up to five levels of organization within their bodies. Which of organization is shown by the liver? A: Tis
solmaris [256]
A tissue is the correct answer
3 0
3 years ago
Read 2 more answers
How does sucrose move from source to sieve?
dybincka [34]

The sucrose move in source to sieve by active transport.

<h3>What is active transport?</h3>

Active transport is a type of transport in which the cell expends energy to move solutes against their concentration gradients. The sodium-potassium pump is an example of active transport. Active transport differs from passive transport in that the cell does not expend energy.

In this case, the sucrose moves from companion cells into source to sieve elements by active transport. This reduces the water potential of the source to sieve element  by osmosis, which increases the hydrostatic pressure.

See more about sucrose at brainly.com/question/24214907

#SPJ12

4 0
2 years ago
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