To test the hypothesis above, you will observe the changes during the experiment. to do this, you will use these observations to compare the of the substances to the of the substances.

^^ correct

For the second part, select all of them

Explanation:

100%

initial appearance

final appearance

part 2 check all

explanation:

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

i would say