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Molodets [167]
3 years ago
9

The biodiversity of cultivated crops is currently under threat

Physics
2 answers:
serious [3.7K]3 years ago
5 0

Answer: Establishing a seed bank with a variety of seeds of different crop species.

Angelina_Jolie [31]3 years ago
4 0

C. Establishing a seed bank with a variety of seeds of

different crop species

Explanation:

Establishing a seed bank with a variety of seeds of different crop species is a cooperative behavior that would best enable humans to prevent the problem of loss of biodiversity of cultivated crops.

  • Modern agricultural practices is profit driven and centered on mono-cropping.
  • Mono-cropping is an agricultural practice in which only one crop type is cultivated on a mechanized scale.
  • Mono-cropping leads to less diversity of crop species as just only the cultivation of economically important crops are encouraged.
  • In order to avert the menace that comes along with mono-cropping, seed banks are viable place to keep and protect other plant species from going into extinction.
  • Seed banks provides a preservation of different plant species by focusing on storing their viable seeds.

Learn more:

Inhumane farming brainly.com/question/4674681

#learnwithBrainly

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When there are two light sources then there will be two shadows. Given below is a case where there are two light sources but one
velikii [3]

neither, a shadow cant be darker unless your closer to the surface your pointing the light at.

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3 years ago
What are the possible units for half life?
lilavasa [31]

Answer:

Half-life units in 'years' & 'seconds' are the most widely used, but actually, whatever you wish ... sec, min, hrs, days, yrs. The application and one's preference could dictate more appropriate units.

Explanation:

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3 years ago
Distance between bholu and golu house house 9 km . bholu has to attend golu birthday party at 7am . he started from his home at
navik [9.2K]
For the rest 3 km


Bholu need to run in 5 minutes so


He need to 3 × 1000 / 5 × 60 m/s

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6 0
4 years ago
Read 2 more answers
If a current of 0.5 A flows in a 75 W light bulb when the voltage difference between the ends of the filament is 150 V, what is
serious [3.7K]
Power is current times voltage.  Using Ohm's Law V=IR, we can express power in two additional ways:
P=I^2R \\ P= \frac{V^2}{R}
So for P=75W, we can use either of these to get R.  Let's use the first one:
75W=(0.5A)^2R \\  \frac{75W}{0.25A^2}=300 \Omega
3 0
3 years ago
A small insect is placed 3.75 cm from a +4.00 −cm -focal-length lens. Calculate the angular magnification.
aev [14]

Explanation:

It is given that,

Object distance, u = -3.75 cm  (negative always)

Focal length, f = +4 cm

We need to find the angular magnification of the lens. Firstly, we will find the image distance using lens formula as :

\dfrac{1}{v}-\dfrac{1}{u}=\dfrac{1}{f}

\dfrac{1}{v}=\dfrac{1}{f}+\dfrac{1}{u}

\dfrac{1}{v}=\dfrac{1}{4}+\dfrac{1}{(-3.75)}

v = -60 cm

Angular magnification is as the ratio of image distance to the object distance i.e.

m=\dfrac{v}{u}

m=\dfrac{-60\ cm}{-3.75\ cm}

m = +16

So, the angular magnification of the insect is 16. Hence, this is the required solution.

8 0
3 years ago
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