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ANEK [815]
3 years ago
7

5. Which of the following statements is true of a scientific theory? A. It's an accepted explanation for how the world works. B.

It explains what happens but not how it happens. C. It's a guess accepted by a few scientists. D. It's been proven incorrect
Biology
1 answer:
JulijaS [17]3 years ago
5 0
The answer is C. A theory is an idea intended to explain why something happened. It may have not been proven correct e.g. Darwin's theory of evolution

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The rate at which an object weathers is determined by many different variables. For example, compare the two ancient Egyptian st
JulsSmile [24]

Answer:

I just answered this question in your other submission of the question. You can look at it if you want!

7 0
2 years ago
The curriculum cycle is made up of what three components
Sauron [17]
The curriculum cycle is a schedule (or a clendar) for addressing the design, delivery and review of curriculum in all content areas.
The three components of the curriculum cycle are:
1. design
2. delivery
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7 0
3 years ago
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27. Which of the following answers are correct?
grandymaker [24]

Answer:

options B, E and F

Explanation:

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The Broca's area is associated with language production and damage to this area can lead to inability to express language (Broca’s aphasia).

A blow to the back of the head might affect the occipital lobe that is associated with visual co-ordinations. Thus damage to this area might not affect the gustatory cortex as this is found in the region of the frontal lobe and not the occipital lobe.

The primary motor cerebral cortex on the left side of the brain controls movement of the right side of the body, and vice-versa, the right motor cortex controls movement of the left side of the body.

5 0
3 years ago
What is used to sort dna into different lengths? apex?
DIA [1.3K]
I believe it is gel electrophoresis. 
Gel electrophoresis is a techniwue used to separate DNA fragments or other macromolecules such as RNA and proteins based on their size and charge. It can also determine the actual size of a piece of DNA by examining it next to a standard "yardstick" made up of DNA fragments of known sizes.
7 0
3 years ago
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In fruit flies, L = long wings and I = short wings. When a long winged fly is crossed with a short winged fly, the off spring ex
stellarik [79]

Answer:

Genotype of long winged fly is Ll

Genotype of short winged fly is ll

Explanation:

Given

Allele for long wing trait is "L"

Allele for short wing trait is "l"

When a long winged fly is crossed with a short winged fly, half of the offspring have long wings and other half have short wings as the ratio is 1:1

Let us say that the genotype of long winged fly is Ll

and the genotype of short winged fly is ll

The cross between the two will produce following offspring

Ll * ll

Ll, Ll, ll, ll

Out of four off spring two have long wings (Ll)

and the other two have short wings (ll)

Thus the ration of long to short wing offspring is 2:2 i.e 1:1

3 0
4 years ago
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