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vova2212 [387]
3 years ago
10

Blank developed the theory of evolution by natural selection

Biology
2 answers:
vovikov84 [41]3 years ago
7 0

Answer: Charles Darwin

Sedaia [141]3 years ago
5 0

Answer: species

Explanation:

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How many valence electrons do elements in group 14 have
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Answer: 4

Explanation: There are 4 valence electrons in group 14, the Carbon group.

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3 years ago
Explain the difference between types of scientific investigation
allsm [11]

Answer:

Hey there.

<em><u>There are three types of scientific investigations: descriptive, comparative, and experimental scenitific investigations. </u></em>

<em><u></u></em>

fist we have <em><u>Descriptive</u></em> scientific investigations.

Descriptive investigations use careful observations and measurements to develop findings.

Then we have <em><u> comparative </u></em>Investigation.

comparative investigations Involve collecting data on different populations/organisms, under different conditions (Times of year, locations), to make a comparison. for Example, Using a hand lens to examine the color and texture of four different rocks.

Lastly we have <em><u>experimental</u></em> scientific investigations.

Experimental investigations involve a process in which a "fair test" is designed and variables are actively manipulated, controlled,

I hope it helped!!!

<em>Wbob1314</em>

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3 years ago
Sustainable forestry: seeks to conserve forests for the long-term commercial harvest of timber and non-timber forest products by
erastova [34]

Answer:

Yes, it is all of the above.

Explanation:

Yes, all the above statements are necessary for sustainable forestry because trees and other wild plants of the forest are necessary for all farmers, loggers, environmentalists, indigenous peoples and for the governments. The environmentalists study on these plants to find out the impact of these different plants on the environment, the farmers cultivate trees and plants to get money by selling it, the employment of loggers also related to these forests and the indigenous peoples also gain benefits by gaining food as well as medicines from it. This forest also fulfill the needs of wood and other products of the country.

4 0
3 years ago
Which statement correctly describes the nucleus of the atom?
lidiya [134]

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D. the nucleus contains the protons and neutrons which takes up most of the mass of the atom

Explanation:

5 0
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A skeletal muscle is described by all of the following except: question 2 options: voluntary attached to a bone having an origin
Oduvanchick [21]
The skeletal muscles are considered voluntary muscles and are mostly located in all parts of the human body. Therefore, these are the muscles that are attached to the bones and have an origin but are NOT highly branched. The skeletal muscles are the UNBRANCHED ones whereas, it is the cardiac muscles that are considered branched.
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