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dybincka [34]
3 years ago
10

_____ is the irregular break of a mineral

Biology
2 answers:
Alinara [238K]3 years ago
7 0

Answer: Fracture

Explanation:

Sati [7]3 years ago
5 0

Answer:

I'm not sure if this is right, but i believe the right answer would be fracture.

Explanation:

In geology, a fracture is any separation in a geologic formation, such as a joint or a fault that divides the rock into two or more pieces. A fracture will sometimes form a deep fissure or crevice in the rock. Fractures are commonly caused by stress exceeding the rock strength, causing the rock to lose cohesion along its weakest plane.

hope this helps :)

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Can plzzz <br>put the explanations was to why one is correct and why the others are wrong​
ch4aika [34]

Hi there!

<h3>Question 15:</h3>

We can see from the graph the spikes during the dry years in beak size, which happen every single time there is a dry year. We can then reasonably infer that this would happen with an extended period of drought, however more significantly as well.

This makes your answer B, the birds with larger beaks would be more numerous.

Looking through the other answer choices - A is incorrect, as just stated above the larger ones would likely become more numerous. C is also incorrect, as we can see from the graph during dry years it does influence ground finches. Finally, D is also incorrect, as we can see the average obviously moving upwards to those with bigger beaks.

<h3>Question 16:</h3>

We are given that during dry years, the finches eat larger seeds as the smaller seeds are less abundant. This means that those finches with larger beaks would have an advantage for survival, as it is easier for them to eat these larger seeds compared to those with smaller beaks. This then means that more and more finches with larger beaks would survive, making the overall population have larger beaks over time.

This makes your answer C, different adaptations gave some birds a better chance for survival.

Looking through the other answer choices - A is incorrect, as they cannot just decide to acquire larger beaks. B is incorrect, as mutations do not just happen and cause such a big shift, and in an efficient direction (most mutations end up not affecting the animal at all. Finally, D is incorrect, as I don't think beaks have the capability of getting larger as they are exercised more.

Hope this helps! Feel free to let me know if you have any additional questions about this specific problem.

4 0
3 years ago
In mice, the LD50 for staphylococcal enterotoxin is 1350 ng/kg, and the LD50 for Shiga toxin is 250 ng/kg.Which of the following
emmainna [20.7K]

Answer: C

Explanation:

LD50 is a measure of toxicity in animals. A chemical with a smaller LD50 is more toxic and in this question, Shiga toxin has a lower LD50, thus it is more lethal.

3 0
3 years ago
Describe the final conditions.
natka813 [3]

Answer:

Describe the initial conditions.

The tubing contains

A) starch solution

beaker contains

B) lugol's solution

Describe the final conditions

The tubing contains

C) starch solution and Lugol's solution

beaker contains

A) only Lugol's solution

Explanation:

7 0
3 years ago
Fill the empty spaces?
nata0808 [166]
I don’t know use your head
8 0
3 years ago
To determine the absolute age of rocks and fossils, geologists use
Firlakuza [10]
The order in which rock layers occur I'm pretty sure it is anyways
3 0
3 years ago
Read 2 more answers
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