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Lorico [155]
3 years ago
11

Which human activity would help preserve our natural resources? *

Biology
2 answers:
Temka [501]3 years ago
8 0
C. recycling
the rest are destroying the earth
lesya692 [45]3 years ago
5 0

Answer:

Obviously recycling

Explanation:

Recycling helps protect the environment/natural resources

Recycling reduces the need for extracting (mining, quarrying and logging), refining and processing raw materials. All of these create substantial air and water pollution. As recycling saves energy it also reduces greenhouse gas emissions, which helps to tackle climate change.

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In a population of 200, 86 individuals express the recessive phenotype. What percent of the population would you predict would b
Nitella [24]

Answer:

The correct option is;

D. 45%

Explanation:

From the Hardy- Weinberg law, we have;

p² + 2·p·q + q² = 1

p + q = 1

Where:

p = Dom inant allele frequency in the population

q = Recessive allele frequency in the population

p² = The percentage of individuals in the population that are hom ozygous dominant

q² = The percentage of individuals in the population that are homo zygous recessive

2×p×q = The percentage of hete rozyous individuals in the population

The number of individuals that express the recessive phenotype = 86

The number of individuals in the population = 200

The percentage of  individuals that express the recessive phenotype, q² = 86/200 = 0.43

Therefore;

q = √0.43 = 0.656

p + q = 1

p = 1 - q = 1 - 0.656= 0.344

∴ The frequency of  individuals that express the do minant phe notype, p = 0.344

The percentage of heterozyous individuals in the population = 2×p×q × 100 = 2 × 0.656 × 0.344 × 100 = 45.15% ≈ 45%

3 0
3 years ago
I need help on 14 please
andreyandreev [35.5K]
I think it's A?? B makes sense but the beginning of the paragraph is talking about how the royal society of science wasn't impressed, so it seems like the focus is on that and not how he defended against lightning strikes.
8 0
3 years ago
Describe the 3 phases that are part of the cell cycle
Daniel [21]
The 3 phases that are part of the cell cycle would be

Interphase
Mitotic phase
Cytokinesis.
7 0
2 years ago
Traveling clot that suddenly blocks a blood vessel:
alex41 [277]
A traveling clot that suddenly blocks a blood vessel is an embolism
4 0
3 years ago
Select all of the answers that correct explain what can affect enzymes and their reaction rates.
boyakko [2]

Answer:

B. Temperature

C. Sunlight

Explanation:

...

7 0
2 years ago
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