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3 years ago

Define the following terms a).hydrosphere b).biosphere

Geography

1 answer:

mr_godi [17]3 years ago

4 0

Answer:

Biosphere -- the global ecosystem composed of biotic (living) factors and the abiotic (non-living) factors from which they derive energy and nutrients. AKA the ecosphere, is the worldwide sum of all ecosystems (all life on earth)

Hydrosphere -- the combined mass/volume of water located either on, under, and above the surface of a planet, minor planet, or natural satellite. This water is still counted regardless of its state (ie. liquid...gas...solid) and takes form as what we see as Rivers, Lakes etc

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From the top of a building 42 feet high, the angle of depression to a car stopped on the ground it is 27°. What is the distance

Marrrta [24]

Answer:

$82.43\ \text{feet}$

Explanation:

Angle of depression = $27^{\circ}$

b = Height of building = 42 feet

$\theta=90-27=63^{\circ}$

p = Distance from the car to the base of the building

From the trigonometric identities we get

$\tan\theta=\dfrac{p}{b}\\\Rightarrow p=b\tan\theta\\\Rightarrow p=42\tan63^{\circ}\\\Rightarrow p=82.43\ \text{feet}$

The distance from the car to the base of the building is $82.43\ \text{feet}$ .

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3 years ago

Most asteroids are discovered

Goshia [24]

Answer:

B. when they impact Earth.

Explanation:

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Computerized methods are used to find out the presence of asteroids in the shy. The asteroid belt has tended to evolve in the nebula formation of the sun with the presence of heavy metals sinking in the ice cores leaving the rocky mineral in the crust. They are almost 1000 km to 1 meter wide and can be large as miniature planets

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4 years ago

The mian reason cardenas nationalized mexican oil industry was to

Helen [10]

Answer:

Enable the country to get direct benefit from its vast supplies. Explanation: Cardenas decreed oil expropriation on March 18, 1938, creating Pemex (Petroleos Mexicanos), a state company that would be in charge of the exploitation.Jan 6, 2017

Explanation:

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3 years ago

In triangle VUW the measure of angle V equals (15y+9), the measure of angle U equals (22y+8),and the measure of angle W equals (

Nady [450]

We know that the sum of the interior angles of every triangle is 180°:
( 15 y + 9° ) + ( 22 y + 8° ) + ( 14 y + 10° ) = 180°
15 y + 22 y + 14 y = 180° - 9 ° - 8° - 10°
51 y = 153°
y = 153° : 51
y = 3°
∠ V = 15 · 3° + 9° = 54°
∠ U = 22 · 3° + 8° = 74°
∠ W = 14 · 3° + 10° = 52°
Let`s assume that opposite the angles V, U and W are sides v , u and w. Opposite the smallest angle is the smallest side of a triangle.
Answer: Side length w is the smallest.

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3 years ago

Read 2 more answers

Which best describes how wedge basins form?

cestrela7 [59]

When two plates move apart, the weaker part of Earth's crust moves down at normal faults where sediments are. deposited until a basin forms. At the area where two bent plates slide past each other, a depression forms where sediments are deposited.

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3 years ago

Define the following terms a).hydrosphere b).biosphere ​

Define the following terms a).hydrosphere b).biosphere