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Bingel [31]
3 years ago
7

6. Challenge: Based on the weathering patterns, guess the rock type shown in each photo. (Can anyone confirm or deny these answe

rs?)

Biology
1 answer:
Sergeu [11.5K]3 years ago
5 0

Answer:

A. = Shale

B = Granite

C = Sandstone

D = Limestone

Explanation:

Based on the weathering patterns, the rock type shown in each photo can be concluded to be as

A. = Shale: this is a form.of sedimentary rocks. It is formed from finely textured materials. Such as clay, quartz, and calcite minerals

B = Granite: this is derived from igneous rock. It has coarse texture features.

C = Sandstone: it is formed by a sand-sized grain of natural earth materials that form together

D = Limestone: it is also a form of sedimentary rock. It contains a large quantity of calcium carbonate it is formed from materials such as ancient corals and skeleton.

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Which of the following is likely abiotic limiting factor of fish in a pond ecosystem? pollution
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Pollution :) Since Abiotic means non living.

Bacteria: Living

Food (worms or smaller fish): Living

Predators: Living

Pollution (dirt, trash, or other stuff): Non Living

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3 years ago
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Explanation:

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3 years ago
there are multiple chickens and rabbits in a cage there are 72 heads and 200 feet inside of the cage how many chickens are in th
schepotkina [342]
The answer is 44 chickens and 28 rabbits.

We have a system of two equations.
x - the number of rabbits
y - the number of chickens

Both chicken and rabbit have only 1 head, so the first equation is: x + y = 72.
Since rabbits have 4 legs and chickens 2 legs, the second equation is: 4x + 2y = 200.

Now, let's solve the system:
x + y = 72
4x + 2y = 200
___________
y = 72 - x
⇒ 4x + 2 · (72 - x) = 200
4x + 2 · 72 - 2 · x = 200
4x + 144 - 2x = 200
2x + 144 = 200
2x = 200 - 144
2x = 56
⇒ x = 56 ÷ 2 = 28
So, there are 28 rabbits.

Since
y = 72 - x = 72 - 28 = 44,
there are 44 chickens.

7 0
3 years ago
Which of the following distinguishes secondary roots?
IRISSAK [1]

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Secondary roots are thin and spread outward.

Explanation:

3 0
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The normal sequence of genes along a hypothetical chromosome is ABC*DEFGH, where letters represent genes and the asterisk (*) re
Hunter-Best [27]

Answer:

The correct option is e

Explanation:

An inversion mutation is a situation in which a sequence of the gene on a chromosome breaks out and rearranges itself from reverse (to the beginning) and then attaches itself back to the point of breakage of the same chromosome.

From the question, mutation changed the gene sequence from ABC*DEFGH to ABC*DGFEH. From this mutation, it can be seen that the gene sequence "EFG" broke-out, rearranged itself from reverse to the beginning as "GFE" and then attached itself back to the points of breakage.

NOTE: This type of inversion is called paracentric inversion since the centromere (represented as * in the question) is not part of the breakage.

8 0
2 years ago
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