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DerKrebs [107]
3 years ago
6

Which of the following is a biotic of an ecosystem a rock air grass climate

Chemistry
1 answer:
Zigmanuir [339]3 years ago
7 0
Grass is biotic- living.

please vote my answer brainliest. thanks!
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In order to expand agriculture and urban areas to meet increased demand for growing populations, water supplies often have to be
PSYCHO15rus [73]

Answer:

Decrease occur in the amount and flow of water bodies.

Explanation:

There is decrease in the amount and flow of water from water bodies such as rivers and lakes etc occur when the river is diverted from large water bodies because the water flows to the diverted sides and decrease occurs in the amount of water in the rivers and lakes. Those regions from where this river passes can also be negatively affected due to low amount of water they receives for their daily needs or for cultivation of crops so we can say that this diversion has adverse effect on other populations.

4 0
3 years ago
Each isotope has a unique half-life. The half-life of an isotope is the time taken for half of the starting quantity to decay (w
Tems11 [23]

Answer:

b. 17,190

Explanation:

Using the formula for C-14 dating,

t=\dfrac{ln(\dfrac{N}{N_0})t_\frac{1}{2}  }{-0.693}

where Present Value N =1/8 of Parent Sample

Initial Value, N_0=1

Half Life, t_\frac{1}{2}=5730 years

t=\dfrac{ln(\dfrac{1/8}{1})5730}{-0.693}

=17,190

Therefore the fossil is about 17190 years old.

7 0
3 years ago
Determine the velocity of a 55-kg skier whose kinetic energy is 8900 J
goldfiish [28.3K]

Answer:

Kinetic energy = 1/2mv^2

8900 j =1/2*55*v^2

v^2=8900*2/55

v^2=323.6

v=17.98

Explanation:

4 0
2 years ago
Help me please!
Vlad1618 [11]

Answer:

  • C. 108 grams/100g of H2O

Required number is the vertical coordinate of the intersection point of a line at 60°C with the graph of the KNO₃.

8 0
2 years ago
Read 2 more answers
In a redox reaction, how does the total number of electrons lost by the oxidized substance compare to the total number of electr
snow_lady [41]
The answer is (2) equal to. In redox reactions, you can't just lose electrons somewhere. If an electrons is lost by one, it must be gained by another. Hence, the importance of balancing redox reactions.
3 0
3 years ago
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