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Alja [10]
2 years ago
15

Without wildfires, forest ecosystems would be more likely to suffer from outbreaks of plant disease. please select the best answ

er from the choices provided t f
Biology
2 answers:
zlopas [31]2 years ago
4 0
The answer would be: True

Forest ecosystem has a high density of plants. When an infectious plant disease appears, it will be easily spread as the trees are placed close to each other. You could say that the spreading mechanism of wildfire is similar to the disease because it is easier in the high-density area.

Nadya [2.5K]2 years ago
4 0

Answer:True.

Explanation: The wildfires has many positive aspects as compared to its negative ones. The forest fire can be a result of human activities or it can be due to natural sources.

The forest fire helps in removing the soil contamination and hence prevents the plant disease. Though it eradicated the animals and loss of habitat takes place but besides this there are many more advantages of forest fire.

It helps in removal of the diseased plants and harmful insects that spreads diseases.

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Trey and his dad went to a football game. They paid $69 per ticket and $12 on
fomenos
The answer is $10 because 160-150=10
7 0
3 years ago
Lichens and mosses, followed by grasses and shrubs, slowly take root on a newly formed volcanic island. Eventually the grasses a
rodikova [14]
<span>Climax Community is the answer :)</span>
3 0
3 years ago
Read 2 more answers
At the end of which period did nearly three quarters of all species of life on earth go extinct in a very short time interval Ca
Ostrovityanka [42]

It's the cretaceous time period.

7 0
3 years ago
How is enthalpy used to predict whether a reaction is endothermic or exothermic?
Radda [10]

<u>Answer:</u>

<em>329.48 KJ/mol heat is released by the combustion of 2 molof methane</em>

<u>Explanation:</u>

The value of enthalpy determines whether the reaction is exothermic or endothermic. If the enthalpy change is positive, then the reaction is endothermic (heat or energy released) and if the enthalpy change is negative then the reaction is exothermic (heat or energy absorbed).

2CH_4(g)+4O_2(g) => 2CO_2(g)+4H_2O(g)

\Delta H \ reaction=[ 2(\Delta HfCO_2)+ 4(\Delta HfH_2O)]-[2(\Delta HfCH_4)+4(\Delta HfO_2)]

                            =2 ( -(393.5 KJ)/mol)-[2( -74.6 KJ/mol)+4(-241.82 KJ/mol)]

                            = -787 KJ/mol-[ -149.2 KJ/mol-967.28 KJ/mol]

                           = -787 KJ/mol+1116.48 KJ/mol

                                          =329.48 KJ/mol

<em>In this question, </em><em>the enthalpy of formation</em><em> has positive value and hence the </em><em>reaction is endothermic</em><em> in which the heat is released. </em>

3 0
2 years ago
In a population of heffalumps, there is a single gene that controls the presence of hair. The H allele, which is a complete domi
maksim [4K]
<h2>Frequency of allele </h2>

Explanation:

Hardy Weinberg Equilibrium is used to calculate the allelic as well as genotypic frequency

Allelic frequency of dominant and recessive allele is represented by p and q respectively whereas genotypic frequency of dominant genotype is represented by p2 and q2 respectively

Given:

H allele (p) = hairy heffalump (dominant)

h allele (q) = hairless heffalump (recessive)

36% of heffalump population is hairless represents the % of recessive genotype, hh (q2) =36%

Calculation of frequency of the h allele (q) :

Frequency of genotype hh (q2) will be: 36/100=0.36 or 0.6*0.6

Frequency of h allele (q) will be 0.6

3 0
3 years ago
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