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alexgriva [62]
4 years ago
13

Imagine that you work for a conservation organization. Your job is to make recommendations to restore an area of a prairie that

has been damaged by fire. Provide three ways in which the damaged area could be restored by human activities.
Physics
1 answer:
ella [17]4 years ago
7 0

Answer:

The damaged prairie area can be restored through <em>site preparation, replanting and putting species back on the landscape.</em>

Explanation:

Prairie- this is a type of habitat with mostly grasses. It also consists of trees, occasional shrubs and flowering plants. This can be found around the world and is <em>ecologically important for providing habitats for native animals and insects.</em> It is perfectly adapted to the climate and<u><em> requires minimal maintenance.</em></u>

Once a prairie is damaged, it becomes an essential move to restore it immediately. This can be done through different human activities such as the following:

1. Site preparation- before doing anything else, it would be best to prepare the prairie site by removing debris from the fire. This will make everything easier once you start planting the crops or plants.

2. Replanting- this is probably the most essential move you can do. It would be best to plant high quality food plants that would provide nectar, pollen and seeds throughout the season. This will entice many birds and butterflies into the area. It will also make the native plants abundant which will, in turn, increase ecological diversity.

3. Putting species back on the landscape- when a wildfire occurs, it is a common sense that species also run away from their home (habitat). In order to create that natural habitat again, it would be best to put the species back to where they belong so they can restart their lives. This will resume the natural food webs and nutrient cycles.

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When 0.250 moles of licl are added to 200.0g of water in a constant pressure?
Mariana [72]
Lithium Chloride releases 37 kJ of energy per mole when dissolved in water.
Energy released = 0.25 x 37
= 9.25 kJ
= 9,250 J
Temperature change of water may be calculated using
ΔH = mCpΔT
Cp = 4.18 J/g

ΔT = 9,250 / (200 x 4.18)
ΔT = 11.1 °C
6 0
4 years ago
How much energy, in joules, is released when 17 kilograms of granite is cooled from 45°C to 21°C?
zepelin [54]
The final answer is -322, 320 Joules. The solution for the problem is:

The equation that must be used in this problem is:

U = mCp(Tf-Ti)

where:
U = energy released or absorbed in Joules
m = mass in kg
Cp = specific heat of material in J/kg-C
Tf = final temperature, C
Ti = initial temperature, C

Looking up the Cp of granite gives a value of 790 J/kg-C.

U = 17kg (790 J/kg-C) (21-45)
<span>U = - 322, 320 Joules (negative means heat is released)</span>
4 0
4 years ago
Read 2 more answers
The velocity of blood flow is the lowest in capillaries because
Varvara68 [4.7K]

Answer:

the total cross-sectional area of the capillaries is greater than the total cross-sectional area of the arteries or any other part of the circulatory system.

Explanation:

Blood velocity is not the same in all areas. In the capillaries it is where there is less speed, while in arteries and veins it is quite similar. This is due to the cross-sectional area of ​​each of the vessels. It is a mistake to think of a vein, artery or capillary individually. We have to put them all together to see that the total area of ​​the capillaries is 100 times larger than that of the arteries or veins. Blood flowing through arteries or veins is going faster because there is less area.

Blood velocity is inversely proportional to each of the areas of its territories. The greater the area, the lower the speed.

6 0
3 years ago
which element, represented by x, reacts with fluorine to produce the compound xf2?(1) aluminum (3) calcium(2) argon (4) sodium
kramer
Accrording to me Mg should be that element because <span>Magnesium forms divalent cations and is capable of accepting 2 anions such as Fluorine</span>
8 0
3 years ago
A spaceship travels at a constant speed from earth to a planet orbiting another star. When the spacecraft arrives, 12 years have
tigry1 [53]

Answer:

7.2878\times10^{16} m

Explanation:

Time elapsed on Earth d_{t}= 12 years

Time elapsed on board the shipd_{t_o} = 9.2 years

now r= \frac{d_{t} }{d_t_o}= 12/9.2= 1.3043

v= c \sqrt{1-\frac{1}{r^2}}

v= 3\times10^8 \sqrt{1-\frac{1}{1.3043^2}}

v= 1.9258\times10^8

therefore distance L=  d_{t}\times v

putting value we get

=12\times\times1.9258\times10^8

=12\times\times365\times24\times3600\times1.9258\times10^8

= 7.2878\times10^{16} m

4 0
3 years ago
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