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Ksivusya [100]
3 years ago
13

[ planet and the sun?

Biology
1 answer:
Brums [2.3K]3 years ago
5 0

Answer:

g2/3 of the students in a class are girls. if there are 20 boys in the class. then the totoal number of girls isthe length of abhishek's notebook is 17cm and 8 mm. What will be its length in cm

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If sea floor spreading is happening why isn’t earth getting bigger
Natalija [7]

because the tectonic plats basically folds under at another point

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3 years ago
Explain the 1st and 2nd law of thermodynamics in terms of food chain, energy flow, pyramid of number and pyramid of energy
Westkost [7]

Answer:

First law of thermodynamics is the conservation of energy states that energy is not created and not destroyed but only can be stored.

Thermodynamics second law states that total entropy of a system increases from lower to higher system and some of the energy is always wasted during the work done.

In the food chain plants are the producers which accept light energy and stored in the form of chemical energy and energy flow to the herbivores and higher trophic levels in the chemical form only and no new energy is created in between the chain (Fisrt law of thermodynamics). Heat is generated during respiration by plants and animals (wasted energy) and entropy also increases with the increase in level of the pyramid of energy (Second law of thermodynamics).

4 0
2 years ago
balance the following chemical equation making sure to apply the principle of the law of conservation of mass​
Sedaia [141]

Answer:

2Zn+ 4HCl=2ZnCl2 +2H2

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8 0
3 years ago
What are the genotypes of the parents? I'm guessing it's Yy and yy, but I'm not exactly sure.​
svet-max [94.6K]

Well since the capital letter is dominate and always takes power and the lower case letter is recessive doesn't take power. It would be 50%.

The answer would be Yy and yy :D

3 0
3 years ago
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Which of the following statements is true about mutations?
Blababa [14]

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A. It is a source of genetic variation

7 0
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