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White raven [17]
3 years ago
10

A forest is an ecosystem. There are many plants and animals in the forest. What is true about the plants and animals? The plants

depend on the animals. The animals depend on the plants. The plants do not depend on the animals. The animals do not depend on the plants.
Physics
2 answers:
Volgvan3 years ago
7 0

Answer:

The plants depend on animals and animals depend on plants.

Plants depend on animals for nutrients, pollination and seed dispersal. Animals are totally dependent on plants. First of all plants produce oxygen which is vital for life on earth. Then, for many animals plants are their basic food, or if plants don’t make up 100 % of their diet, plants are nevertheless essential in their food supply.

ivanzaharov [21]3 years ago
6 0

Answer:

A. The plants depend on the animals.

B. The animals depend on the plants.

Explanation:

Plants require animals to spread their seeds around the area, also known as seed dispersal. They also use the help of other animals for pollination. Bees can be used as a great example for pollination and so as butterflies, flies, etc. Some plants have seeds with barbs that stick to the animals fur. Some just simply stick to the animals paws and/or fur until dropping off to another place. Other seeds are consumed and then composed. Here's an example. A deer eats an apple. Everyone knows that apples have seeds, hence, the deer consumes the seeds. The deer will then compose the digested food along with the seeds. Now, the apple's seeds have settled in another place and will start its growth. Animals also depend on the plants. Plants are a source of food for many herbivores and omnivores. Plants also have a high nutrition, giving animals the nourishment needed. They also produce oxygen and take in carbon dioxide. This is necessary for earth and its wildlife on it.

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Answer:

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5 0
3 years ago
A kayaker moves 22 meters northward, then 18 meters southward , and finally 24 meters northward what is the distance and magnitu
Elina [12.6K]

Answer:

Distance = 64 metres

Displacement = 28 metres

Direction = northward

Explanation:

Given that a  kayaker moves 22 meters northward, then 18 meters southward , and finally 24 meters northward

Distance covered is only about the magnitude of the length covered.

Distance = 22 + 18 + 24 = 64 metres

The direction will be considered when calculating the displacement

Let northward be positive and southward be negative

Displacement = 22 - 18 + 24 = 28 metres

Since the displacement is positive, the direction of the motion is northward.

8 0
3 years ago
The data table for the decomposition reaction of hydrogen peroxide H2 O2 shows how the reaction rate changes over time which sta
DedPeter [7]

I believe the answer is A.

4 0
3 years ago
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You find an unmarked blue laser on your way to physics class. When you get to class you realize you can determine the wavelength
Afina-wow [57]

Answer:

λ = 451.7 nm

Explanation:

The expression for the constructive interference of the double diffraction experiment is

          d sin θ = m λ

let's use trigonometry

          tan θ = y / L

   

how the experiment occurs at very small angles

          tan θ = sin θ / cos θ = sin θ

          sin θ = y / L

we substitute

         d y / L = m λ  

         λ = \frac{d \ y}{m \ L}

let's calculate

          λ = \frac{0.342 \ 10^{-3} \ 2.80 \ 10^{-3} }{1 \ 2.12 }

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5 0
3 years ago
How much work will it take to lift a 2-kg pair of hiking boots 2 meters off the
AnnyKZ [126]

Answer:

Option C - 39.2 J

Explanation:

We are given that;

Mass; m = 2 kg.

Distance moved off the floor;d = 10 m.

Acceleration due to gravity;g = 9.8 m/s².

We want to find the work done.

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Work = Force × displacement.

In this case, it's force of gravity to lift up the boots, thus;

Formula for this force is;

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Force = 2 × 9.8 = 19.2 N

∴ Work done = 19.6 × 2

Work done = 39.2 J.

Hence, the Work done to life the boot of 2 kg to a height of 2 m is 39.2 J.

7 0
3 years ago
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