i think because 500m is the best ra

i think because 500m is the best range for spreading the TB disease .

thats why he wants to see if there is another point inside the buffer, so it means , the second point is affected by first point

ผลลัพธ์ (อังกฤษ) 2:

Think 500m is the best because I Range for spreading the TB disease. thats why He wants to See if there is another Point Inside the buffer, so it means, is the second Point AFFECTED by First Point.