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Gre4nikov [31]
3 years ago
15

___is the main energy source for all life on earth

Biology
2 answers:
Kay [80]3 years ago
6 0

i think its  solar i might be wrong

Elena-2011 [213]3 years ago
4 0

The Sun is the primary source of energy for Earth

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What primary type of vegetation would you expect to find on an abandoned farm that has remained undisturbed for 150 years?
Nana76 [90]
I would have to say (D.) if it's been 150 years.
3 0
4 years ago
Please answer this thank you
olga55 [171]

Answer:

16

Explanation:

8 0
3 years ago
What happens to the nitrogen in a rabbits body<br>when it dies<br><br>​
zepelin [54]

Answer:

When rabbit dies, the nitrogen in the rabbits body is released into the soil  by decomposition.

Explanation:  

When rabbit dies its body is decomposition takes place. Decomposition is process of breaking down of the dead remains of the plants, animals and insects into tiny pieces by free living bacteria, fungi and worms present in the environment .

During the decomposition process the nitrogen present in the dead rabbit body is released into the soil in the form of ammonia. The bacteria(nitrifying bacteria) present in the soil converts this ammonia into nitrates so that it can be again used by the plants. Now plants intakes this nitrates for photosynthesis process. This process of fixing nitrogen back into the atmosphere is called nitrogen cycle.  

8 0
4 years ago
somebody help me please A cross is performed between a bird that is homo for red feathers and a bird that is homo for blue feath
sp2606 [1]

Answer:

2 in 4

Explanation:

Let PP are the gametes of red feather bird and pp are the gamete of blue feather bird. In the first cross they both will give purple feather bird because of incomplete dominance.

Consider Pp as the allele of purple offspring for the second cross. When two of the purple offspring are crossed, it will give the proportion of 2 in 4  

F2: Pp X Pp

Offspring: PP, Pp,Pp, pp

So, only two offspring, Pp is with purple feathers while PP has red and pp has blue feathers.

Hence, the correct option is 2 in 4.

4 0
4 years ago
Label all parts of a cell
lana66690 [7]
A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Hope I’ve helped ;)
3 0
3 years ago
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