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Alona [7]
2 years ago
6

Tecnological solutions have good and bad effects .what is a bad effect of spraying a chemical pesticide on crops

Biology
1 answer:
MA_775_DIABLO [31]2 years ago
3 0
A. It is dangerous to humans. The chems could infect the plant causing the person who eats it to be ill or mutate. Yw, hope that helps
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Epifit itu adalah tumbuhan yang tumbuh dengan cara menumpang kepada tanaman yang lain.
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3 years ago
Allen pours water into a graduated cylinder. He notices that the surface of the water is curved, as shown below.
Slav-nsk [51]

Answer:

When water is added to a graduated cylinder, having a surface where the sides of the water look higher than the center means that the curved surface is a concave meniscus which has formed because of surface tension (Choice C).

Explanation:

A meniscus is simply the curvature that the surface of a liquid acquires when it is in a container, such as a graduated cylinder. It is concave when there is attraction between molecules -water and glass- or it can be convex when both surfaces are repelled.

<u>Water is a polar molecule</u>, with the capacity to adhere to the surfaces it comes into contact with. This characteristic causes it to form a concave meniscus, as the outermost molecules adhere to the glass surface, while the surface tension of the water attracts the molecules from the centre downwards, causing the concavity.

Learn more:

Measuring with a graduated cylinder brainly.com/question/4070509

4 0
2 years ago
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The ____is a process often used by scientists to help them solve problems
Deffense [45]

Answer:

scientific method

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8 0
3 years ago
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Oh no! The FBI kidnapped Mike and put him in an fMRI machine to track whether he was lying or not. According to Dr. Barrett, wha
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The correct answer is he's screwed because with enough training in a mock scanner, the fMRI is sure to work.

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fMRI detects lies according to brain activation patterns. Its brain activation patterns shoed different from the person who is innocent.

The flow of blood in activated areas helps in tracking lies using an fMRI machine. So, during the lie detection areas highlighted if a person lies.

learn more about the fMRI machine: brainly.com/question/6231239

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