How would scientists know that there is life existing outside of Earth? What do they use?

1 answer:

3 0

They would know if they see anything like traces of water or anything else that would be nessecary for a living organism to have. They look for these with technology like the hubble telescope as well as the drone on Mars to gather as much information as possible.

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How are convection currents produced in the air?

nika2105 [10]

Convection currents are caused by the colliding of cold and warm air. At night, air above water is warm and air above land is cold. The opposite is true in daytime. When the warm air hits the cold air, which is more dense, it is pushed upward. Then it travels laterally until it cools. It comes back down and pushes up the former cold air, which is now warm. This repeats many times.

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3 years ago

Can someone please HELP?

serious [3.7K]

Answer:

<h3>MAP OF THE PHILIPPINES</h3>

Explanation:

<h3>#BRAINLIESTBUNCH</h3>

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2 years ago

When one organism consumes another organism, energy is transferred to the consumer.

dsp73

Answer:

C. flower → butterfly → bird → snake

Explanation:

It is the only option possible out of all of them, which stands true when compared with the food web shown.

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3 years ago

Please help me on this its due tonight

finlep [7]

8. DNA is found in the cell nucleus
9. 1) adenine. 2) cytosine. 3) guanine. 4) thymine.
‼️ 10. I don’t know this one‼️
11. A chromosome is a structure found inside the nucleus of a cell.

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2 years ago

In just a week, my 7-year old cousin developed 0.6 to 1.0 centimeters pustules as shown in image 1. In the next couple of days,

geniusboy [140]

The result shows that the microorganism is Staphylococcus aureus.

<h3>How to explain the microorganism?</h3>

Blood Agar media shows colonies which means the microbe must be a fastidious one. It allows bacteria to be distinguished by the type of hemolysis they produce. Here in the image, beta hemolysis is depicted.

Gram staining depicts a gram-positive coccus. Gram-positive organisms take up crystal violet dye and are stained purple while gram-negative organisms take up the safranin dye and give pink to red colonies.

Catalase protects the organisms from reactive oxygen species and Coagulase. According to the above results, the microorganism is Staphylococcus aureus.

Learn more about microorganisms on:

brainly.com/question/13705286

#SPJ1

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2 years ago