Question

pls ans this question pls​

Answer 1

Answer:

Explanation:

(a)  distance = circumference/2 = 3140/2 = 1570 m

(b) displacement = diameter = 1000 m

circumference = 2πr

3140 = 2 × 3.14 × r

r = 1000/2 = 500 m

diameter = 2 r = 2 × 500 = 1000 m

(c) speed = distance/time

time= distance/speed

time= 1570/10 = 157 sec

Answer 2

Answer:

The result: dangerous diseases like cholera and typhoid fever. Other waterborne diseases include diarrhoea, dysentery, polio and meningitis. Unclean water for washing can cause skin and infectious eye disease such as Trachoma.