In which situation would alley cropping be most useful for sustainable farming?(1 point)

1 answer:

5 0

Answer: Alley cropping considered a sustainable farming practice because it allows farmers to meet current needs while preserving resources. Therefore, the correct answer to the question is option b.

Explanation:

Alley Cropping is defined as the type of cropping in which the long trees are planted at the boundaries having maximum distance between them and the small shrubs and herbs are planted in between the space between them.

This type of farming is very essential and beneficial for the farmer and the environment. It is so because it utilizes all the land for farming purpose and at the same time it allows the farmer to meet his all the needs of the current situation and also saves much input for the future use.

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How much force is required to move a sled 5 meters if a person uses 60 j of work? 300N 12N 65N 30N

maksim [4K]

The answer is b 12N because
We know that
W = F × d × c o s(θ)
assuming theta=0 we then solve and have
F=W/d
substitute known values to get:
F=60J/5m=12N

4 0

3 years ago

light of a wavelength 600 nm shines on a soap bubble film. For what soap film thickness will destructive interference occur

VashaNatasha [74]

Answer:

The minimum thickness of the soap bubble for destructive interference to occur is 225.56 nm.

Explanation:

Given;

wavelength of light, λ = 600 nm

The minimum thickness of the soap bubble for destructive interference to occur is given by;

$t = \frac{\lambda/n}{2}\\\\t = \frac{\lambda}{2n}$