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Naddika [18.5K]
3 years ago
14

Can someone please describe what biogas is. 50 points !!!!!!!!! Brainliest will be chosen

Biology
2 answers:
Sladkaya [172]3 years ago
8 0

Answer:

gaseous fuel, especially methane, produced by the fermentation of organic matter.

Explanation:

telo118 [61]3 years ago
6 0

Answer:

Biogas is the mixture of gases produced by the breakdown of organic matter in the absence of oxygen. Biogas can be produced from raw materials such as agricultural waste, manure, municipal waste, plant material, sewage, green waste or food waste. Biogas is a renewable energy source.

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Answer:

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Bacteria

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7 0
3 years ago
Which types of proteins help defend the body against foreign agents like bacteria?
horrorfan [7]
Antibodies- I hope that helps :)
3 0
3 years ago
A pea plant with genotype PP (purple flowers) mates with a plant with the genotype pp (white flowers). The dominant allele P cod
Basile [38]

In the question, it is given that the purple flowers are dominant to the white flowers. The dominant allele for the flower is P, and the recessive allele for the flower is p.

So, the possible genotypes of the purple flower is - PP or Pp.

And, the possible genotype of the white flower is - pp.

The cross1 shows the cross between PP and pp.

The phenotype of all the offspring in the cross 1 is Purple, and the genotype is pp. Hence, the possibility of getting purple flowers in the progeny is 100%.

Homozygous dominant genotype is the condition, in which the plant's alleles are same and both are dominant.

The cross 2 shows the cross between Pp and pp:

The homozygous dominant genotype (PP) is 1 and the total number of progeny is 4. So, the probability of occurence of PP is 1/4 or 25%.

Hence, the first blank can be filled with 100% and the second blank can be filled with 25%.



6 0
4 years ago
Read 2 more answers
An unknown white powder is tested by an antibody based detection system. The test does not indicate the presence of anthrax, yet
Volgvan

Answer: The correct answer is option C.

Explanation:

A false negative test is a diagnostic error in which a test shows absence of a disease even when a person is having a disease.

Similarly, in the given question a sample has anthrax spores; however, antibody test fails to show the presence of anthrax. Thus, it is a false negative.

In contrast, false positive error is the error in which the test shows the presence of disease even when a person is not suffering from it.

Sampling error is a statistical error.

Thus, the correct answer is option C.

5 0
4 years ago
How should the hands of a caregiver be placed during an attempt to facilitate a muscle contraction?
Troyanec [42]
I think that the hands should be placed on top of the muscle that needs to be contracted. 

One of the exteroceptive stimulation techniques is MANUAL CONTACTS.

Under this technique, the hands will exert firm and deep pressure on the contact of the body where the muscle is located. This activates the <span>tactile or touch receptors and muscle proprioceptors. This also facilitates muscle contractions; muscles that are directly under the hands and provides support  and security to unstable body parts or segments.  

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</span>
3 0
3 years ago
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