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sasho [114]
2 years ago
13

⚠️⚠️⚠️THE ANSWER IS WOOD!! Trust me, I asked my biology teacher which ones I got wrong on the unit test and she sent me screensh

ots. The screenshots showed the answers too. it said natural gas was wrong and wood was correct. look...⚠️⚠️⚠️
Which resource is sometimes unpredictable in terms of energy production?

coal
wood
gasoline
natural gas​

Biology
1 answer:
exis [7]2 years ago
6 0

Answer:

Yes, the answer is wood.

Explanation:

Wood is a natural material and is subject to variations in composition and moisture content. Therefore the energy from burning it or gasifying it would likewise be variable.

not sure what the purpose of this question was, but here's the explanation anyway! have a nice day.

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Human activities can disturb natural ecosystems which is a human activity that can change local ecosystems
Bad White [126]

Answer:

There are many way's we change local ecosystems one way is urbanization.

Explanation:

If the human race keeps building on more land ecosystems will die out and animals will become extinct.

8 0
3 years ago
Two independently segregating genes determine kernel color in wheat. Red color results from at least one dominant allele in both
Lera25 [3.4K]

Answer:

a) The expected phenotype of the F1 plants is 100% RrBb, red kernels.

b) The expected phenotypic classes in the F2 are: 9:3:3:1

   9/16 R-B-, 3/16 rrB-, 3/16 R-bb,  1/16 rrbb

   Proportions 9:6:1.

9/16 Red kernel (R-B-), 6/16 Brown kernel (rrB- + R-bb), 1/16 White kernel (rrbb)    

Explanation:

<u>Available data:</u>

  • red kernel: R-B-
  • brown kernel: R-bb or rrB-
  • white kernel: rrbb

1º Cross)  RRBB      x      rrbb

F1)             100% RrBb (red kernels)

2ºCross)   RrBb       x       RrBb

Gametes)  RB                   RB

                  Rb                   Rb

                  rB                    rB

                  rb                    rb

Punnet Square)      RB           Rb         rB         rb

                 RB      RRBB      RRBb     RrBB     RrBb

                 Rb      RRBb      RRbb     RrBB     Rrbb

                 rB       RrBB       RrBb      rrBB      rrBb

                 rb       RrBb       Rrbb       rrBb     rrbb

F2)  Phenotypic classes:

       <em>9/16 R-B-</em>

<em>        3/16 rrB-</em>

<em>        3/16 R-bb</em>

<em>        1/16 rrbb</em>

      Phenotypic proportions:

      <em>9/16 Red kernel (R-B-)</em>

<em>       6/16 Brown kernel (rrB- + R-bb)</em>

<em>       1/16 White kernel (rrbb)         </em>                      

7 0
3 years ago
Which of the following best describes the role of water in photosynthesis?
Cloud [144]

Answer: During the process of photosynthesis, six molecules of carbon dioxide and six molecules of water react in the presence of sunlight to form one glucose molecule and six molecules of oxygen. The role of water is to release oxygen (O) from the water molecule into the atmosphere in the form of oxygen gas (O2).

Explanation:

4 0
3 years ago
4
OverLord2011 [107]
The answer to the question is B) T<span>hey occur along the edges of the tectonic plates.</span>
6 0
3 years ago
Electrical stimulation of the brain (ESB) is used on humans during brain surgery to map out ___________. A. Nerves and neural pa
umka21 [38]

Answer:

Electrical stimulation of the brain (ESB) is used on humans during brain surgery to map out the brain and critical structures.

^_________^ <3

8 0
2 years ago
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