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3 years ago

Describe one reason why nitrogen is crucial for sustaining life on Earth. Answer in at least 1 complete sentence.

1 answer:

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Nitrogen is very crucial for life because it is one of the important ingredient that is needed for plants to grow. Human and animals who eat plants materials obtain nitrogen from the plant. Nitrogen is needed in the humans and animals bodies for formation of proteins and nucleic acid which are very essential for life. When animals and humans die the nitrogen in their bodies return to the earth again and is used by plants.

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A cart of mass m is pulled along a level dynamics track as shown above. A force sensor is attached to the cart with a string and

mart [117]

Answer:

<u>See the picture attached with the drawing of the forces.</u>

Explanation:

Find the figures with the question and the answer attached.

The answer shows the free body diagram with four arrows starting on, and pointing way from, the dot.

The red vertical upward arrow, labeled $F_N$ , represents the normal force, which is the force exerted by the ground on the cart.

The red vertical downward arrow, labeled $F_g$ , represents the gravity force (weight), which is the pull that the Earth exerts of the cart.

Both vertical arrows are of the same side because the normal force and the weight are balanced (since there is not vertical acceleration).

The blue horizontal arrow pointing to the right, labeled $F_h$ , represents the horizontal pulling force exerted by the hand.

The blue horizontal arrow pointing to the left, labeled $F_f$ , represents the frictional force which is not neglicible.

Since the cart is accelerating in the positive direction, toward the right,

$F_h>F_f$ and the arrow to the right is larger than the arrow to the left.

4 0

3 years ago

What does a relatively small standard deviation tell you about a set of data?

zaharov [31]

Answer: The data set is centered around the mean.

6 0

3 years ago

Ano ang iyong<br>katuwiran?

antoniya [11.8K]

Answer:

saan? kaya kitang tulungan boi. comment back

6 0

3 years ago

What helped to spread summer vacations?

Blizzard [7]

The factors which helped to spread summer vacations are: C. advertising, unions, and art.

<h3>What is an advertisement?</h3>

An advertisement can be defined as a group of consumer promotions programs which is designed and developed with the sole intention of making the various goods or services that are being offered by a business firm to become known, popular and familiar to all of its customers and potential customers.

This ultimately implies that, consumer promotions programs such as online websites and advertising, can help a business firm in the following positive ways:

To generate store traffic.

To enhance brand loyalty.

To facilitate and influence the final decision to buy an item.

To increase awareness and encourage the use of a service such as vacations

In this context, we can infer and logically deduce that the factors which helped to spread summer vacations include advertising, unions, and art.

Read more on advertisements here: brainly.com/question/1658517

#SPJ1

4 0

2 years ago

Use the data in the chart to answer the question.

puteri [66]

The mode for this set of data is: 45.

Mode can be defined as the number that appear more than other numbers.

The given chart is:

Anxious behaviors per hour

Subject 1 60

Subject 2 45

Subject 3 20

Subject 4 70

Subject 5 45

Based on the above chart we can see 45 in subject 2 and 45 in subject 5 which in turn means that 45 appear more than others numbers as it appear twice.

Therefore The mode for this set of data is: 45.

Learn more about mode here:brainly.com/question/14532771

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3 0

1 year ago