Farmers also help mitigate the effects of drought by keeping moisture in the soil. ... Conservation tillage: With conservation tillage, farmers plant without removing residue from the previous season's crop. Because the soil isn't tilled or plowed, more water is retained in it.
Plz add me as brainliest
The volume of the cone is calculated by the formula:
V = B*H/3
r=D/2 = 6/3 = 2
where B is surface area of basis and H is height.
B is circle which fomula for surface is:
B = r^2 * pi = 3^2*3,14 = 9*3,14 = 28.26
from condition of height we write:
H = 3*D = 3*6 = 18
now volume is:
If we express all of that in equation of volume we get:
V = 1/3* 3^2*3,14*18
Answer:
b) It started as a fringing reef
Explanation:
When an island (basically a seamount or eroded volcano) that is formed on a caldera and which is surrounded by fringing reefs starts to sink or the sea level starts to rise gradually and engulf it , i.e. when the fringing reefs starts to grow it gradually forms an atoll .
It is basically a coral reef encircling a logoon . Coral starts to grow and build a fringing reef and later this barrier reef forms the atoll , which encircles a lagoon .
Answer:
Slash-and-burn agriculture techniques are typically practiced by subsistence farmers who plant an area until the soil loses its fertility.
Explanation:
There are multiple different types of farming, and they mostly depend on the level of development of a country or a particular area of a country. The farming methods range anywhere from organic and self-sustaining farming to subsistence farming and everything in between. Subsistence farming is a primitive method of farming and it can mostly be found in the less developed countries.
Subsistence farming is a type of farming where the people produce enough only for their own needs, and usually don't have anything left for trade on the market. This method of farming is mostly found in sub-Saharan Africa, South America, and Southeast Asia. In order for the people to get to land for farming they use the slash-and-burn method, which is basically cutting and burning down all of the vegetation, and in its place create farmland. This is not a good method on the lng rn though because the soil is not of high quality not is treated properly, so the people just move on and destroy another piece of land once the one they use loses its fertility.