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PilotLPTM [1.2K]
3 years ago
12

Many cultures and religions have customs which deal with the way they use the land. For example, in Judaism, it is required that

a field be left fallow (unplanted) every seventh year. What is one beneficial effect of customs like this? A) They prevent the land from being overused. B) They cause less competition among farmers. C) They make the land more valuable to farmers. D) They force people to farm more recklessly at other times.
Biology
2 answers:
ArbitrLikvidat [17]3 years ago
6 0
The correct answer is Option A. <span>They prevent the land from being overused

When a land is cultivated every year, and is not allowed to rest, the land is overused, thus leading to soil degradation. However customs like Judaism which prescribes that </span>a field be left fallow (unplanted) every seventh year prevents degradation and consequently <span>enhances organic soil fertility.</span>
sveticcg [70]3 years ago
5 0
The answer is a. i took the test and its right


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With the aid of the geological time chart, write comparatively on chordate evolution through time​
snow_lady [41]

Answer: <em>Punctuated equilibrium is the hypothesis that evolution occurs at an irregular rate through geologic time.  </em>

<em>Hope this helps. </em>

Hope this helps

<em>much love !!</em>

6 0
3 years ago
In order to predict how much tension a muscle can produce when contracting, it is important to consider the ______ relationship
serg [7]

The muscles are composed inside mainly of fibers, filaments and proteins, where it is important to consider the <u>length-tension</u> relationship of the thick and thin filaments to know the tension.

<h3>What is muscle contraction?</h3>

It is an organized and natural event that takes place at the level of the muscles when the fibers and proteins inside them come together, and tension is produced in the area.

<h3>Characteristics of muscle contraction</h3>

  • In a muscle contraction, a tension is generated that depends on the length-tension relationship, which causes a displacement of the muscle filaments.

  • The proteins actin and myosin join together, and a force is generated so that the final movement is achieved.

  • To know the tension, the muscle changes length and measurable external work is produced from the force and distance traveled.

Therefore, we can conclude that the contraction allows us to make movements to reach and carry our extremities to different places.

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5 0
2 years ago
When a set of data is given, how is the mean, median, mode calculated​
vovikov84 [41]

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4 0
3 years ago
A planet has a mass of 5.97 x 1024 kg and a radius of 6.38 x 106 m. Find the weight of a 65.0 kg person at 1000 km above the sur
mote1985 [20]

<u>Answer:</u> The weight of the person above the surface of a planet is 635.83N.

<u>Explanation:</u>

To calculate the weight of a person, we use the formula:

w=mg     ....(1)

where,

w = weight of an object

m = mass of the person = 65kg

g = acceleration due to the gravity of the planet

For the calculation of weight, we need to first find the acceleration due to gravity and for that we use the formula:

g=\frac{GM}{r^2}

where, g = acceleration due to gravity = ?m/s^2

G = Universal gravitational constant = 6.67\times 10^{-11}Nm^2/kg^2

M = mass of the planet = 5.97\times 10^{24}kg

r = distance of the person from the planet = 6.38\times 10^6m

Putting values in above equation, we get:

g=\frac{(6.67\times 10^{-11}kgm/s^2.m^2/kg^2)(5.97\times 10^{24}kg)}{(6.38\times 10^6m)^2}\\\\g=9.782m/s^2

Putting this value in equation 1, we get:

w=65kg\times 9.782m/s^2=635.83N

Hence, the weight of the person above the surface of a planet is 635.83N.

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15 points please help
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