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d1i1m1o1n [39]
3 years ago
12

If a rock has bands of light and dark layers it is

Biology
1 answer:
Dmitriy789 [7]3 years ago
3 0
If a rock has bright surfaces or bands of light and dark layers, it is folly, which is a metamorphic texture that refers to flat or wavy flat features. ... Ardo's cleavage is characteristic of rocks with little intense metamorphism, in which minerals are not seen and which have easily separating blades.
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The scatterplots indicate the population of rabbits in the population over time. The y-axis represents the number of rabbits and
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Answer:graph a?

Explanation:

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2 years ago
How long in centimeter is a 3,075 mm rope
Daniel [21]

Answer: 307.5 cm.

To convert millimeters to centimeters, divide by 10.

3 0
3 years ago
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Homeostasis is maintained by which of the following organ systems in humans?
a_sh-v [17]

A. Multiple organ systems working together

Explanation:

All of the organ systems work together to maintain homeostasis in humans because each system does something different. For example, the circulatory system delivers oxygen rich blood to the bones and the bones create new blood cells. When one thing is wrong with one system, it affects all of the systems, like a disease. Another example of this would be the central nervous systems and endocrine working together to coordinate messages to the brain about the body's state while resting and exercising to maintain homeostasis.

5 0
3 years ago
A heterozygous tall pea plant is allowed to self-fertilize. The resulting F1 progeny are 25% homozygous tall, 50% heterozygous t
maks197457 [2]

Answer:

25% heterozygous tall

Explanation:

If we take the F1 generation as parents and let them self-fertilise, we have 4 crosses.

The first one for homozygous tall, then we have 100% AA.

The second and third one for heterozygous tall and we have 25% AA, 50%Aa and 25%aa for each of them.

The last one would be for dwarf, and we'll have 100%aa.

Adding all of them, we'll have

AA = 100 + 25 + 25 = 150%

Aa =  50+50 = 100%

aa = 100 + 25 + 25 = 150%

as we had 4 crosses, so dividing the total percentages by 4, we'll have,

AA = 37.5%

Aa = 25%

aa = 37.5%

:. The percentage of heterozygous tall would be 25%.

Hope it helps:)

8 0
3 years ago
Is it ethical to make changes to human DNA? What are the dangers of this?
vazorg [7]

Answer: It may be unethical to some people due to their beliefs. But as science evolves,genetic engineering has made it possible for us to modify many things,including human DNA. To me,changing human DNA is ethical. Changes in DNA bring many positive consequences,for example lower the risk of many deadly diseases(cancer/cystic fibrosis,etc). We can modify our features and create "a perfect human". But,there are some dangers that come with this power. For example,DNA modification could go wrong and create dangerous species

Explanation:

6 0
3 years ago
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