What is a combination of two or more metals?

What is a combination of two or more metals?

2 months ago

Solution 1

Guest Guest #2558
2 months ago
A combination of two or more metals is called and Alloy.

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What would a scientist most likely do to predict the intensity of an earthquake? A. make Earth plates move B. create computer-simulated models C. increase Earth's temperature by artificial methods D. take pictures of Earth's interior during an earthquake
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The answer is B: create computer-simulated models because the scientist cannot make the Earth’s plates moves, increase the Earth’s temperature, or take pictures of Earth’s interior, especially not in an efficient and not as costly way. Creating computer-simulated models is quick, cheap, and efficient in showing the scientist many different scenarios of what might happen.
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Bio help! will mark brainliest which of the following is an example of prezygotic isolating mechanisms? a. two strains of rice produce a hybrid, which can produce fertile offspring, but its offspring is small and sterile. b. a horse and a donkey may interbreed, but the offspring, a mule, is not fertile. c. the sperm of species A dies when It comes in contact with the female reproductive tract of species B. d. two salamander species mate, but the offspring does not complete development and dies. I think its b, but I'm not too good with stuff like this. So I thought I'd get a second opinion (and an explanation?). thank you tons!
Solution 1
Hi there!

A prezygotic isolating mechanism is a mechanism that causes something to happen, not allowing the organisms to breed before fertilization. I'll explain each one for you.

A - That is postzygotic because the organisms were not stopped before fertilization. The result is a sterile organism.
B - Again, that is postzygotic because the organism was produced. 
C - This is prezygotic! The sperm dying shows that something is in action to prevent fertilization, meaning that it cannot happen.
D - Fertilization was successful, so it is postzygotic.

ANSWER:
C - the sperm dies when it reaches the female tract

If you need help with any more problems, feel free to message me and I'd be more than happy to help you work through them and provide explanations.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
Solution 2
Hey there! 

I think it's C, if you need anything feel free too ask. I would love too help! <3


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The answer would be multicellular 
Solution 2

Answer:

Multicellular

Explanation:

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Answer:

Reading, talking and walking.

Explanation:

Natural environment constitute all the living and non-living things present in the earth. Human's activities has destroyed the natural environment and the organisms living in that environment.

Deforestation, industrialization and urbanization has drastically affected the environment. Reading, walking and talking does not affect our environment because no energy is wasted or trees are cut down during these activities.

Thus, talking, walking and reading does not harm our environment.

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Natural selection enables an organism to survive and reproduce in its habitat.

What is natural selection?

The term natural selection is used to describe the fact that organisms that possess traits that enable them to survive in their habitat and live long enough to survive and reproduce.

The following are descriptions of the types of natural selection listed in the question;

Results in the evolution of the species: Directional

Results in new species: Disruptive

Favors traits at the two extremes:  Disruptive

No increase in diversity: Directional

One extreme trait is favored:  Directional

Diversity decreases:  Stabilizing

Diversity increases:  Disruptive

Learn more about natural selection: brainly.com/question/4147359

Solution 2
The answers are:
Directional 
Disruptive
Disruptive
Directional
Directional
Stabilizing
Disruptive
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