How to prevent water pollution​

Here is your answer

Explanation:

1. pick up litter and throw it away in a garbage can.

2. use environmentally household products such as washing powder, household cleaning agents

3. wash your car or outdoor equipment where it can flow to a gravel or grassed area instead of a street.

4. don't throw waste at ocean it will harm the animals and create tocsin.

a variable of array type holds a reference of object

array are commonly used in computer program to organize data so that a related set of values

array are using zero base indexing it start with 0.

all component of array have same type, two different types doesn't use in single array

if array are store 10 quantities its index value varies from 0 to 9.

it stores 1st quantity value in index value 0 and this process will same till index value 9.

answer; kayla should use the " save as" command;