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3 years ago

How do volcanos effect ecosystems? in ur own words please!!

Physics

1 answer:

lana66690 [7]3 years ago

4 0

Answer:

well i guess i can try...

Explanation:

Volcanoes are a dangerous natural occurance that can greatly effect any ecosystems. There are various effects of volcanoes such as, lava flows, volcanic landslides, mud-flows, and ash flows, which generally result in total obliteration of any ecosystem in their path, they can also have long term beneficial effects to the environment. One of these long term effects are, the creation of some of the most nutrisous, and fertile soil on earth, causing healthy plants to grow.

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The three basic economic questions societies face are (1) what goods and services to produce, (2) how to produce those goods and

lord [1]

Answer:

For whom are goods and services to be produced? In other words, who gets what?

What should we produce?

For whom should we produce it?

Explanation:

8 0

3 years ago

A stone is dropped from a cliff at time t = 0 and strikes the ground below.

Dafna1 [17]

Answer:

........(1)

And that of the other stone is

S=u(t−n)+

[g(t−n)

]........(2)

Since both the stones meet at the distance so equation (1)and equation(2) will be equal

=u(t−n)+

[g(t−n)

]

=2ut−2un+gt

+gn

−2gnt

t(2gn−2u)=gn

−2un

(gn−u)

−u)

now putting value of t in equation(1)

⎣

⎢

⎡

gn−u

[n(

−u)]

⎦

⎥

⎤

⎣

⎢

⎡

(gn−u)

−u)

⎦

⎥

⎤

Explanation:

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5 0

3 years ago

Land plants are adapted to survive on land through stomata to regulate water regulation, specialized cells, structures that coll

Law Incorporation [45]

Answer:

stomata to regulate water

specialized cells

Explanation:

Land plants are able to successfully adapt to staying on land through the use of stomata to regulate water loss and through the development of specialized cells that give support to grow erect.

Water regulation is important for the survival of plants on land, otherwise, they may face desiccation as a result of the heat from the sun. The stomata is a structure found on the leaves of land plants that open and close to regulate the amount of water lost to the environment through evapotranspiration. When there is adequate water and the plant can afford to lose some water, the stomata open, otherwise, the stomata close.

Support is also important for land plant's survival and the development of specialized cells in the form of sclerenchyma cells take care of this. The fibers and sclerids are two types of sclerenchyma cells that primarily function to support the land plants.

8 0

3 years ago

. Draw a Cartesian coordinate system on a sheet of paper. On this Cartesian coordinate system, draw each vector to scale, starti

Triss [41]

Answer:

a) the first vector has magnitude 58 cm and the angle is 15 measured clockwise from the positive side of the x-axis

b) the second vector, the magnitude is 55.7 cm and the angle is 35 half from the negative side of the x-axis in a clockwise direction

c) the magnitude is 54.2 cm with an angle of 18 measured counterclockwise from the x-axis

Explanation:

For this exercise we draw a Cartesian coordinate system in this system: East coincides with the positive part of the x-axis and North with the positive part of the y-axis.

a) the first vector has magnitude 58 cm and the angle is 15 measured clockwise from the positive side of the x-axis

b) the second vector, the magnitude is 55.7 cm and the angle is 35 half from the negative side of the x-axis in a clockwise direction

c) the magnitude is 54.2 cm with an angle of 18 measured counterclockwise from the x-axis

In the attachment we can see the representation of the three vectors

8 0

3 years ago

A car is behind a truck going 25m/s on the highway. the car's driver looks for an opportunity to pass, guessing that his car can

Misha Larkins [42]

Velocity of cars = 25 m/s

Distance the car has to cover for passing truck = 40m

Distance of passing spot from the car coming from opposite direction = 400- 40 =360 m

Time available for the car to pass truck of 20 m length = Distance of passing spot from the car coming from opposite direction/relative velocity between cars

Time = 360/50 = 7.2 seconds

Suppose the truck is moving at the same speed of car.

Distance traveled by car compared to truck is given by the expression

S = ut + $\frac{1}{2} at^2$ , where S is the distance traveled, u is the initial velocity a is the acceleration and t is the ime taken.

In this case u = 0, t = 7.2 s, a = 1 m/ $s^2$

So distance traveled by car in 7.2s compared to truck = 0*7.2+ $\frac{1}{2} *1*7.2^2$

So, S = 0+ 25.92 = 25.92 m

So car will travel only travel 25.92 m

In order to overtake it needs to travel 40m. So don't attempt to pass the truck.

7 0

3 years ago