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2 years ago

In a typical forest ecosystem, dead trees and fallen trees are most important because of their role in which of the following?

Geography

1 answer:

Pachacha [2.7K]2 years ago

3 0

Answer:

b. Providing habitats for wildlife

Explanation:

Dead trees and down wood provide wildlife habitat it is estimated that 2/3 of all wildlife use them at least during one point of their life cycle. They also serve to cycle nutrients, decreasing erosion, etc.

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When Carla solved for the height from the ground to the point where the ladder

Westkost [7]

Answer:

See explanation

Explanation:

Given

Represent the vertical angle with $\theta$

$\theta = 75$

The question has incomplete details because the length of the ladder is not given; neither is the distance between the ladder and the wall given.

See attachment for illustration

So, this solution will be based on assumptions.

Represent

- The height from ground to the top of the ladder with y

- The length of the ladder with L

- The distance between the ladder and the wall with x

Carla could solve for y in any of the following ways:

1. Tan formula

$tan \theta = \frac{opp}{adj}$

In this case:

$tan \theta = \frac{x}{y}$

Multiply both sides by y

$y * tan \theta = \frac{x}{y} * y$

$y * tan \theta = x$

Divide both sides by tan

$y = \frac{x}{tan \theta}$

$y = \frac{x}{tan 75}$

This can be used if the distance (x) between the ladder and the wall is known.

Assume x = 15

$y = \frac{15}{tan 75}$

$y = 4.02$

2. Cosine formula

$cos \theta = \frac{adj}{hyp}$

In this case:

$cos \theta = \frac{y}{L}$

Multiply both sides by L

$L * cos \theta = \frac{y}{L} * L$

$Lcos \theta = y$

$y = Lcos \theta$

$y = Lcos75$

This can be used if the length (L) of the ladder is known.

Assume L = 15

$y = 15 * cos75$

$y = 3.88$

3 0

2 years ago

Fossils of tropical plants and animals can be found buried in limestone rock in the North Texas area. These plants and animals a

weqwewe [10]

Answer:

The climate in that area is different today than when tropical plants and animals lived there

Explanation:

The most likely reason for the absence of those tropical animals in North Texas would be the climate.

Climatic conditions have varied through geologic history of our blue planets. When these conditions changes, organisms have to adapt and on the long run, the environment won't be able to sustain them. They become phased out.

It is possible for rock records in a place to bear different fossil records records that are not similar compared to the life we have in such areas today.

The Sahara desert for example has huge fossils of fishes in its rocks. Today, the area is a hot desert and contains very low biodiversity. Sciencist have proposed that the region was previously a lush green tropical forest and the ocean covered some parts too. Today, the Sahara's climate has changed.

5 0

2 years ago

When land and water are exposed to the same intensity of solar radiation, the land warms ______ the water.

liraira [26]

Answer:

More than

Explanation:

The land warms up and cools down more quickly than water, which is why general climates change more than water temperatures. around the world. The land has a higher heat capacity.

5 0

4 months ago

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_____ evaluate(s) the effects a project will have on an area's resources.

fredd [130]

An individual sector of Integrated Resource Management will provide an Impact Statement that provides the potential effects of a project on an area's resources.

Answer: A. Impact Statements

5 0

2 years ago

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Name three people who contributed to the models of our solar system..pls

Free_Kalibri [48]

Answer: NASA

Explanation:

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2 years ago

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