Answer:
d. phosphates.
Explanation:
Weed -
It refers to the unwanted plants growing along with other plants , and are unnecessarily crowding the area and sucking the major nutrients from the soil , is referred to as a weed .
A weed growing along with other plants hence need to be taken out , as they disturb the other plants as well .
Excess of phosphates leads to the growth of these weeds .
Hence , from the given scenario of the question ,
The correct answer is d. phosphates.
Answer:
The correct answer is B. A watershed is the area contributing water to the runoff of a stream system.
Explanation:
A watershed or hydrographic basin is a territory drained by a single natural drainage system, that is, its waters give the sea through a single river or that it pours its waters to a single endorheic lake. A hydrographic basin is delimited by the line of the summits, also called water division. The use of natural resources is regulated administratively by separating the territory by river basins, and with a view to the future the river basins are emerging as one of the functional division units with much more coherence, allowing true social and territorial integration through water.
The ice caps are melting due to global warming which is being affected by the polluted air
A geographic coordinate system<span> or a GCS uses a three-dimensional spherical surface to define certain locations on earth. Also, a GCS is often mistakenly called a datum, but a datum is just one part of a GCS.
Finally, a GCS includes a prime meridian, </span><span>an angular unit of measure, </span>and a datum :)
