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saveliy_v [14]
3 years ago
11

Many fuels produce pollutants, such as greenhouse gases or waste, when used. Which type of fuel produces the least amount of pol

lutants?
a) fossil fuels
B) nuclear
C) solar
D) wood
Biology
2 answers:
Maksim231197 [3]3 years ago
8 0
Solar. Hope this was helpful!
Harrizon [31]3 years ago
5 0
C- solar power is 100% renewable
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Assuming that the collision factor remains the same, by how much must an enzyme lower the activation energy of the reaction in o
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(8.314 J/molK)(310K)ln(3E5) = E-EcatE-Ecat 
<span>=32504.22 J/mol = 32.504 KJ/mol (pay attention to any requirement on sig fig)

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3 years ago
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Which organisms and set of characteristics are correctly paired?
VikaD [51]
I think the propositions are :
Which organisms and set of characteristics are correctly paired?(1) fungi—carry out photosynthesis and heterotrophic nutrition(2) plants—carry out respiration and autotrophic nutrition(3) decomposers—carry out photosynthesis and autotrophic nutrition(4) animals—carry out autotrophic nutrition and heterotrophic nutrition

1): False because fungi do not have photosynthesis.
3) False because decomposers do not have photosynthesis.
4) False because animals do not have autotrophic nutrition.

2) is true because animal carries out respiration like other living organisms, and carry out autotrophic nutrition by photosynthesis.
8 0
3 years ago
Passive transport involves movement of substances
gtnhenbr [62]

Answer:

Passive transport involves movement of substances from areas of higher concentration to areas of lower concentration.

Explanation:

Passive transport involves the passage of substances through a semi-permeable membrane, as occurs with transport at the level of cell membranes.

Generally, passive transport occurs with the <u>movement of compounds from the space with the highest concentration of a specific substance to the space with the lowest concentration of the same substance</u>, following the so-called concentration gradient. Theoretically, the gradient tends to disappear when the concentrations of substances have balanced out.

Regarding other options:

<em>     A. </em><u><em>From areas of lower concentration to areas of higher concentration</em></u><em>.  It is a feature of active transport.</em>

<em>      C. </em><u><em>From areas in which the concentration has reached a balance</em></u><em>.  There is no passive transport</em>

<em>      D. </em><u><em>From areas of differing concentrations with the use of cellular energy</em></u><em>.  Energy use involves active transport.</em>

5 0
3 years ago
For a pair of genes with alleles: A (dominant) a (recessive) at the first locus; and B (dominant) b (recessive) at the second lo
Harlamova29_29 [7]

Answer:

E. 1/16

Explanation:

In a duplicate dominant epistasis, when one locus presents a dominant genotype and the other presents a recessive genotype, the dominant one hides the effective of the recessive gene. Therefore, a recessive phenotype will only be observed when both genes are recessive homozygous (aabb).

Assuming a doubly-heterozygous mating (AaBb x AaBb), the probability that both genes are recessive homozygous is:

P=\frac{1}{2}*\frac{1}{2}*\frac{1}{2}*\frac{1}{2}\\P =\frac{1}{16}

1/16 of offspring are expected to show the recessive phenotype.

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3 years ago
Planet - Solar System - Galaxy - Local Group. What comes next?
LenaWriter [7]
Super cluster is the correct answer for it
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