Question # 1Why is the evaluation step an important part of the problem solving method?To determine whether the solution was successful or if another solution would have worked betterTo prove to others that your decision was correctTo prevent the problem from happening againAll of the above

Ineed a good science fair name i’m doing a homemade water filter and i have no idea what the title should be plz

1. which of the following is a search engine? a) mozilla firefox b)internet explorer c)google d)safari 2. which of the following statements is true? a) all search engines will provide the same results when you enter the same query. b) all search engines use the same amount of advertisements. c) some search engines are also browsers. d) search engines often provide different results, even when you enter the same query.

Apython programming question: assume s is a string of lower case characters. write a program that prints the number of times the string 'bob' occurs in s. for example, if s = 'azcbobobegghakl', then your program should print number of times bob occurs is: 2