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anzhelika [568]
3 years ago
14

Igneous rocks and metamorphic rocks derived from igneous "parents" make up what percentage of the Earth's crust?

Biology
1 answer:
denis23 [38]3 years ago
5 0

Answer: 95% of the earth crust

Explanation:Igneous rock make up about 95% of the earth crust. Igneous rocks are formed from solidified molten magma within the earth crust(intrusive) or outside the earth surface (extrusive).

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If all living things are related then where did all their differences come from?
stiks02 [169]

Answer:

<em>Hox </em>Gene

Explanation:

First, you're question is very vital, there are many ways in classifying along with identifying all living organisms that includes; morphological analysis, molecular systematics (studying the similarities and differences of the genetic data such in the sequences of DNA, RNA, and rRNA ), homology, cladistics, etc. based on phylogenetic tree, which the study of the evolutionary among various species.

But through it said that all living organisms shared one common ancestor. However, what makes them different from one to another is the homeotic genes that called <em>Hox </em>Genes; which specify the fate of a particular segment or region of the body, meaning the number and arrangements of the<em> Hox</em> genes varies considerably among different types of animals.

For instance, Sponges have at least one homologous to<em> Hox</em> genes, also insects have nine or more <em>Hox </em>genes resulting in multiple <em>Hox </em>genes occur in a cluster in which the genes are close to each other along a chromosome. Therefore, increases in the number of<em> Hox</em> genes have been instrumental in the evolution of many animals species with greater complexity in body structure.

Overall, more <em>Hox</em> genes, more complexity in body structure resulting in the differences of their morphological structure.

Hope that answered your question!

7 0
3 years ago
Where did earths internal heat come from
Y_Kistochka [10]

Answer:

The Core?

Explanation:

You would think that heat would come from the core but I'm not sure

4 0
3 years ago
The climate of Houston, Texas is humid subtropical, with a temperature
Talja [164]

The culprit is an "arctic outbreak" that originated just above the US-Canada border, which is freezing temperatures across much of the US territory.

<h3>Arctic outbreak</h3>

"Bursts" of cold air like this are usually confined to the Arctic region thanks to a series of low-pressure systems, says the NWS. However, one of these waves advanced through Canada and "escaped" to the US.

According to experts heard by Reuters, it is a vast mass of icy air in the atmosphere, which brings with it frigid temperatures - which can be prolonged if storms form.

From this information we can conclude that according to the US Weather Service (NWS), the culprit is an "arctic outbreak" that originated just above the US-Canada border, which is freezing temperatures across much of the US territory.

Learn more about arctic in brainly.com/question/1248314

7 0
2 years ago
What are microwaves are used for?
AysviL [449]
A. for cooking food and transmitters
3 0
3 years ago
(04.01 LC) Which of these is made up of cells and tissues that perform a larger function? (5 points) Atom Compound Molecule Orga
Grace [21]

Answer:Organ

Explanation:An organ may be defined as a group of tissues which perform similar functions. Organs can be found in both plants and animals,functionally related organs often cooperate to form systems. These organs are interdependent on each other to make up organ systems. Organ systems can be found in the different parts of the body. For instance,the esophagus,stomach and liver make up the digestive system and in the excretory system the skin and kidney are examples of the organs that can be found here. The main tissues of an organ tend to have the same embryological origin. This simply means that they arise from the same germ layer and by germ layer we mean the primary layer of cells that form during embryonic development. In plants however,the main organs are the roots,stem and leaves whose primary functions are to give nourishment to the plant. Reproductive organs of plants include the seed,flowers and spores which maintain the basic life processes of the plant.

8 0
3 years ago
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